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Maximizing Car Performance: A Guide to Choosing the Right Air Intake

In the realm of car enthusiasts and performance upgrades, few modifications hold as much significance as air intakes. These components play a pivotal role in enhancing engine performance by optimizing the flow of air into the combustion chamber. If you’re looking to boost your vehicle’s power and efficiency, understanding the different types of air intakes and their benefits is essential.

Why Upgrade Your Air Intake?

Before delving into the intricacies of air intake options, let’s highlight why upgrading your stock air intake system is crucial for maximizing performance:

Improved Airflow: Stock air intake systems are designed with compromises to meet various requirements. Aftermarket air intakes offer larger filter surfaces and smoother airflow pathways, allowing your engine to breathe more efficiently.
Enhanced Filtration: Upgraded air filters, whether oil or dry filters, provide better filtration capabilities compared to stock filters. This ensures that only clean air enters the engine, reducing the risk of debris and contaminants causing damage.
Increased Power: By optimizing air intake, your engine can generate more power. Cold air intakes, in particular, draw cooler, denser air from outside the engine bay, resulting in improved combustion and higher horsepower and torque figures.
Customization Options: Aftermarket air intakes come in various styles and designs, allowing you to personalize your vehicle while also enhancing performance.

Oiled Versus Dry

When it comes to air filters, two primary options dominate the market: oil filters and dry filters. Here’s a brief overview of each:

Advantages of Oiled Filters:

Water Resistance: The oil coating acts as a barrier to prevent water from entering the filter material or intake tube, making them ideal for high humidity or wet environments.
Requires Periodic Re-Oiling: Ensures optimal performance and longevity of the filter, adding an extra step to maintenance but maintaining peak efficiency.
Optimal Airflow: Provides slightly better airflow compared to dry filters.

Advantages of Dry Filters:

No Oiling Required: Simplifies maintenance and eliminates the risk of over-oiling, which can damage the Mass Air Flow (MAF) sensor.
Multiple Layers of Filtering Material: Utilizes multiple layers of filtering material for superior filtration efficiency, capturing even smaller particles and ensuring cleaner airflow to the engine.
Effective Contaminant Trapping: Traps contaminants while maintaining excellent airflow for engine protection without sacrificing performance.

When choosing between a dry or oiled filter for your cold air intake, consider the driving conditions and your personal preferences. Oiled filters excel in wet environments and require periodic re-oiling for optimal performance and longevity, while dry filters are better suited for dry or dusty conditions and offer simplified maintenance. Ultimately, both types offer benefits that can enhance your vehicle’s performance and driving experience.

Choosing the Right Air Intake

Nissan Maxima STILLEN Short Ram Hi-Flow Air Intake with Dry and Oiled Filter

Nissan 370Z 350Z Infiniti G37 G35 STILLEN Long Tube Dual Gen 3 Air Intake with Dry and Oiled Filter

Now that you understand the importance of air intakes let’s explore the different types available:

Short Ram Intakes: Ideal for enthusiasts seeking a balance between performance and affordability, short ram intakes offer easy installation and increased airflow compared to stock systems. They provide a noticeable improvement in engine response and power output.
Long Tube/Cold Air Intakes: For those prioritizing maximum performance gains, long tube or cold air intakes are the way to go. These intakes draw cooler, denser air from outside the engine bay, resulting in significant horsepower and torque increases. While installation may be more complex, the performance benefits justify the effort and cost.

Conclusion

Upgrading your car’s air intake system is a surefire way to unlock its full potential on the road or track. Whether you opt for a short ram intake for a practical upgrade or invest in a long tube or cold air intake for maximum performance gains, the benefits are undeniable. Choose wisely based on your budget, performance goals, and installation preferences, and enjoy the exhilarating driving experience that follows. For further assistance in selecting the right air intake for your vehicle, don’t hesitate to reach out to our team of experts at STILLEN. We’re here to help you make informed decisions and elevate your driving experience to new heights.

Unleashing Performance: Axle Back vs. Cat Back Exhaust Systems | Quick Guide

Jan 24, 2024

Are you looking to upgrade your vehicle’s exhaust system for a boost in performance and a distinctive sound? Let’s delve into the world of aftermarket exhausts, specifically comparing axle back and cat back systems to help you make an informed decision.

Axle Back Exhaust Systems:

Axle back exhaust systems offer a balance between performance, style, and sound enhancement. They are a cost-effective option compared to cat back systems. By replacing the exhaust components from the rear axle to the tailpipe, axle back systems provide a noticeable change in exhaust tone and aesthetics.

2022+ HYUNDAI ELANTRA N STILLEN CAT-BACK EXHAUST SYSTEM

The benefits of axle back systems include:

Improved Sound: Experience a richer and more aggressive exhaust note without breaking the bank.
Enhanced Style: Many manufacturers offer customization options, including various finishing tips such as carbon fiber, blue burnt tips, or polished stainless steel.

Cat Back Exhaust Systems:

For those seeking maximum performance gains, cat back exhaust systems are the go-to choice. Unlike axle back systems, cat back upgrades replace components from the catalytic converters to the tailpipe, eliminating restrictive elements like crush bands and mufflers.

Key advantages of cat back systems include:

Optimized Performance: By employing mandrel bent tubing and less restrictive mufflers, cat back systems allow exhaust gases to exit more efficiently, resulting in increased power.
Comprehensive Upgrade: Cat back systems provide a holistic enhancement to the entire exhaust system, ensuring a consistent boost in performance.

Customization Options:

One of the exciting aspects of upgrading your exhaust system is the ability to customize its appearance. Manufacturers offer various finishing tips, allowing you to choose between carbon fiber, blue burnt tips, polished stainless steel, or even unique finishes like black ceramic coating.

In conclusion, whether you opt for an axle back or a cat back exhaust system depends on your priorities. If you’re looking for a cost-effective way to enhance sound and style, an axle back system might be the ideal choice. However, if maximizing performance gains is your primary goal, investing in a cat back system will provide a comprehensive upgrade for your vehicle’s exhaust.

Upgrade your driving experience, unleash the full potential of your vehicle, and make a statement on the road with a carefully chosen aftermarket exhaust system.

STILLEN Exhaust Playlist on Youtube

Exciting News: Lower Prices on STILLEN Gen 2 and Gen 3 Air Intakes for 2024!

Jan 17, 2024

STILLEN is thrilled to announce a significant development for automotive enthusiasts looking to boost their Nissan and Infiniti models’ performance. Our renowned Gen 2 and Gen 3 Stillen Intakes, known for delivering unparalleled power and precision, now come with even more accessible pricing in 2024.

Unleashing the Power: Gen 2 and Gen 3 Stillen Intakes

The Gen 2 and Gen 3 Stillen Intakes have been game-changers in the automotive performance realm, and their compatibility extends to various Nissan and Infiniti models, including the G37, 350Z, 370Z, and Q50. Today, we shine a spotlight on the Nissan 370Z Gen-3 Air Intake and its exceptional features, while also introducing the Gen 2 Stillen Intakes.

Key Features of the Gen 2 and Gen 3 Stillen Intakes:

Ultra Long Mandrel Bent Polished Aluminum Intake Tubes
Oil-Free and Low Restriction Design
Increased Throttle Performance and Horsepower
Easy to Clean with No Need to Re-Oil

Benefits That Speak Volumes:

CARB EXEMPT EO# D436-22 (2009-2016 ONLY)
Impressive 17.5 RWHP / 13 WTQ Gain for Enhanced Acceleration* (Gen 3 – 370Z Only)
Designed and Manufactured at STILLEN HQ, Inspected Multiple Times for Quality and Fit
Fits Various Models, including 370Z and 370Z Nismo (Nismo models may require slight modification)

Why Gen 2 and Gen 3 STILLEN Intakes?

STILLEN has been at the forefront of high-performance cold air intakes, and our journey with the Nissan Z34 and Infiniti VQ37 equipped cars has been nothing short of groundbreaking. We started with the Gen 1 Cold Air Intake, offering a small gain in power and a captivating sound enhancement. The Gen 2 Long Tube Intake refined the design and power output, becoming one of our best-selling air intake kits.

The skeptics fueled our determination to push the boundaries further, leading to the development of the Generation 3 Ultra Long Tube Cold Air Intake Kit for the Nissan 370Z. At STILLEN, all our products are designed and manufactured in-house, giving us the ability to test numerous configurations and fine-tune our designs until we achieve the desired results.

Unprecedented Power Gains [Gen 3]:

Our R&D team tirelessly tested over 50 variations before perfecting the Gen 3 design for the VQ37HR engine. The result? A dyno-proven 17.5 Horsepower (WHP) and 13 ft/lb (WTQ) gains on the 370Z with STOCK ECU TUNE. This achievement is unparalleled among performance intakes for non-turbo/non-SC’d cars.

Optimized Design for Maximum Performance:

Both the Gen 2 and Gen 3 intakes boast updated designs with integrated systems of variable diameter tubing and steps, maximizing air velocity. The strategically placed large STILLEN air filters ensure exposure to the coldest-possible incoming air, enhancing performance.

Easy Installation for Maximum Impact:

While the power gains are extraordinary, we’ve ensured that the installation process is straightforward. While removal of the front fascia clip and slightly enlarging the holes through the front core support is recommended for optimal results, it’s worth noting that the bumper removal process is quite manageable with basic hand tools.

New Lower Prices for 2024: Elevate Your Ride with STILLEN Gen 2 and Gen 3 Intakes!

In celebration of a new year, STILLEN is excited to offer our Gen 2 and Gen 3 Stillen Intakes at lower prices for 2024. Elevate your driving experience, embrace the power, and make a bold statement on the road. Don’t miss out on the opportunity to enhance your vehicle’s performance with the best in the business.

Visit our website to explore the new prices and take the first step towards an exhilarating ride. STILLEN – where cutting-edge design meets unparalleled performance!

*Results May Vary!

Check out STILLEN’s Youtube channel for more STILLEN Intakes videos:

STILLEN Manufacturing | Nissan Z Exhaust

Jun 6, 2023

See all the hard work and attention to detail STILLEN puts when manufacturing the Nissan Z Cat-Back Exhaust System.

Nissan Z STILLEN Cat Back Exhaust Sway Bars

CNC Band Saw and Mandrel Tube Bender

To start with, 2.5-inch stainless steel tube is cut in bundles using the STILLEN hydraulic CNC controlled band saw. From the saw the tubes are processed on our CNC Mandrel Tube Benders. Every tube coming off the bender is verified in our proprietary bend check fixtures to ensure each tube meets our specifications.

CNC Milling Machine and STILLEN X Pipe Fixture

The STILLEN X pipe has been engineered for optimum performance and exhaust gas flow. To achieve the best performance possible the X pipe tubes are loaded into the CNC milling machine and are precision machined for perfect fitment into the weld fixture.

STILLEN CNC Milling Machine of the Nissan Z X Pipe

Once the machining process is finished the machined tubes along with the weld fixture are taken to the production welding booths where our craftsmen tig weld the tubes and braces to form a single X pipe.

When merging dual 2.5” exhaust tubes into a single tube, the equivalent size tube required is more than 4 inches in diameter. Because we cannot fit a 4-inch tube through the chassis and a true dual 2.5” exhaust did not sound good on this platform. We chose to merge the two banks for the best sound, but to do so in a way that allowed for optimal exhaust gas flow without causing a restriction.

STILLEN Mufflers

To assemble the mufflers our production team begins by assembling the perforated tube inner core. Then form the end caps for the body of the muffler. The inner core and one side of the muffler is tack welded together then the muffler goes back to assembly to have the high temperature ceramic wool inserted.

Once completed the mufflers go back to welding. The outer cap is tacked back together. This is the only time where the exhaust system or any of its components leaves the STILLEN facility. The mufflers are sent to an outside processor for polishing before they’re finished welding.

STILLEN Proprietary Rotational Welding Positioner

After the mufflers return from polishing, it is placed on our proprietary rotational welding positioner. Our engineering team created this positioner so that our welders could accurately control the speed. Also the orientation of the mufflers to give a precision tig welded finish. The mufflers are purposely left with a fantastic “burn” finish to show the tig welded craftsmanship.

Final Welding and Assembly

Now we enter final welding and assembly. Every single exhaust system goes through our pre-assembled weld fixtures. These weld fixtures located all of the key components. The weld fixtures also align everything to ensure perfect, repeatable fitment on all of the various components.

For the 2023 Nissan Z, STILLEN proudly offers two different styles of exhaust systems. The “Street Series” Cat-Back Exhaust features the STILLEN mufflers. We also offer our “Competition Series” which doesn’t have any mufflers. The “Competition Series” Exhaust is intended to let the twin turbo V6 VR30 engine be heard!

STILLEN 2023 Nissan Z Cat Back Exhaust Street Series

STILLEN 2023 Nissan Z Cat Back Exhaust Competition Series

We also offer 3 different tip options for the Nissan Z “Street Series” and “Competition Series” Cat-Back Exhaust System. STILLEN offers carbon fiber, brunt, and polished stainless steel.

Since 1986 STILLEN has been a leader in exhaust system manufacturing. STILLEN is dedicated to manufacture all our exhaust systems in the United States of America.

NISSAN Z STILLEN CAT-BACK EXHAUST SOUND CLIPS

Sway Bar Kit | Nissan Z

Apr 18, 2023

STILLEN is excited to announce the release of the Front and Rear STILLEN Sway Bar Kit for the +2023 Nissan Z.

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Product Features

Front & Rear Sway Bar Kit
Reduces Body Roll & Improves Cornering
5-Way Adjustable Front Bar (21-48% Stiffer)
3-Way Adjustable Rear Bar (37-70% Stiffer)
Constructed From High Strength Aircraft Grade Steel For Extra Durability
Powdercoated Finish For Good Looks and Corrosion Prevention

FRONT

REAR

Front and Rear Sway Bar Kit

One of the best ways to improve the handling of your Nissan Z is with a set of STILLEN Sway Bar Kit. Whether it’s the first step in your suspension modification, or the finishing touch to a complete overhaul with coil overs and control arms, sway bars are one of the most important aspects of fine tuning your cars handling characteristics.

FRONT

REAR

Whether on the track, touring through a windy road in the country side, or even around town, STILLEN Sway Bars will dramatically improve your cars cornering, stability, and handling giving you more confidence in your cars ability to stay firmly planted.

Features of STILLEN Sway Bars:

Retain nearly factory outer diameter. By keeping the factory diameter of the tube this allows the end user to reuse the factory bushings as opposed to aftermarket urethane bushings which are prone to squeaking and require more regular greasing and maintenance.
Stiffer bar construction. While staying with an O.E. outer diameter STILLEN uses a thicker wall material to gain a stiffer rate. This stiffer rate reduces body roll and leaves the car with a more planted and confident driving experience.
Retains factory style bushing collars which prevent the sway bar from walking or moving during hard cornering.
Manufactured by STILLEN in Costa Mesa, CA. With in-house manufacturing, STILLEN is able to check the quality of the bars throughout the production process from material selection to final packaging.
Completed with a brilliant red powder coat finish offering great looks and corrosion prevention.

Bar details:

NISSAN Front Sway Bar 640 @ 1″ travel
STILLEN Adjustable Front Sway Bar
Position 1: 780 lbs @1″ travel
Position 2: 860 lbs @1″ travel
Position 3: 950 lbs @1″ travel

+2022 TOYOTA TUNDRA 3.5L TWIN-TURBO V6 TRUCONTROL BY STILLEN INLINE POWER MODULE - TC201001

TruControl by STILLEN Inline Power Module for the +2023 Nissan Z

The TruControl by STILLEN Inline Power Module is a quick and easy way to add more power to your Nissan Z with the V6 VR30DDTT engine. It makes great power from the factory and the TruControl by STILLEN Inline Power Module is a great way to add even more power for a low cost and simple installation.

We achieve this power by integrating the Power Module into the factory wiring harness and adjusting certain parameters to increase boost pressure and make significant power/torque gains across the entire power band. Installation only takes about 15 minutes and does not require any special tools.

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Nissan Z STILLEN Cat Back Exhaust Say Bars

+2023 Nissan Z Street Series STILLEN Cat-Back Exhaust

STILLEN is excited to release the cat-back exhaust system for the 2023 Nissan Z. During the development of this exhaust system STILLEN engineers went through multiple different exhaust configurations and prototypes determine what would provide the best performance, best flow, and best sound.

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TruControl by STILLEN | Nissan and Infiniti

Apr 5, 2023

Nissan Z and Infiniti Q50/Q60 3.0t | TruControl by STILLEN Inline Power Module | VR30DDTT

STILLEN is excited to announce the TruControl by STILLEN Inline Power Module for the +2023 Nissan Z and the 2016-2023 Infiniti Q50/Q60 3.0t. The TruControl by STILLEN Inline Power Module is a quick and easy way to add more power to your Nissan Z, Infiniti Q50 and Infiniti Q60 featuring the V6 VR30DDTT engine. It makes great power from the factory and the TruControl by STILLEN Inline Power Module is a great way to add even more power for a low cost and simple installation.

Features and Benefits:

+70 flywheel Horsepower gain*
+86 ft. lbs. Torque gain at the wheels*
Very easy installation
Bluetooth integration
No wiring or specialty tools required
Easy removal

*Results may vary

TRUCONTROL BY STILLEN INLINE POWER MODULE

+2023 Nissan Z

TC101001

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2016-23 Infiniti Q50/Q60 3.0t

TC101002

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Nissan Z and Infiniti Q50/Q60 3.0t | TruControl by STILLEN Inline Power Module | VR30DDTT DYNO

The Numbers

From the factory the Z and Q50/Q60 3.0t is rated at 400 flywheel horsepower. On our dyno we saw a maximum wheel horsepower output of 336 horsepower at 6300 RPM*. This is about a 15% drivetrain loss*. Great work by NISSAN to get all of that power to the ground. After installing our Trucontrol piggyback ECU the dyno reported back a Max horsepower output of 392 wheel horsepower at 5390 RPM*. Simply by installing the Trucontrol ECU into our Z and Q50/Q60 3.0t we were able to gain more than 70 flywheel horsepower.

Even more amazing than the gains in horsepower are the gains in torque output. As you can see in the dyno the factory torque curve begins to decline at just over 3500 RPM*. At this RPM the stock car produced 338 ft. lbs of torque*. The Trucontrol by STILLEN is at 393 ft. lbs of torque*. Whereas the factory torque curve begins to decline, the STILLEN torque curve only increases further until reaching its maximum output at 4720 RPM*. At this point the factory output has declined to 323 ft. lbs*. while the TruControl by STILLEN has managed to increase to 409 ft. lbs of torque*. Truly amazing gains that make the Z and Q50/Q60 3.0t an absolutely incredible car to drive.

*Results may vary

Easy To Use

With the engine on or with the key on, you can go through and [-/+] select which calibration you want to run at any point in time. You can use the Tuning: Pro App which also controls and resets all calibrations based on what you input in the application.

The TruControl by STILLEN Inline Power Module comes preloaded with up to 7 different maps for your Toyota Tundra. These maps are going to range anywhere from Race mode to Sport mode to Eco mode.

NISSAN Z STILLEN CAT-BACK EXHAUST SYSTEM

STILLEN is excited to release the All-New “Street Series” Cat-Back Exhaust System for the 2023 Nissan Z. During the development of this exhaust system the STILLEN engineers went through multiple different exhaust configurations and prototypes. They determine what would provide the best performance, best flow, and best sound for the new Z.

STILLEN Gen 3 Cold Air Intake | Overview

Jan 23, 2023

STILLEN is excited to talk about one of the most popular parts that we’ve ever made, the Gen 3 Cold Air Intake for the Nissan and Infiniti platform.

Since 1986, STILLEN has been the leader in Nissan and Infiniti high performance tuning. In 2009 Nissan came out with the Nissan 370Z. It was a hit of a car with a 3.7 liter V6 engine. It’s a fantastic platform, one that STILLEN really enjoyed modifying.

STILLEN immediately went to work on an air intake system for the vehicle. It’s one of the things that we’re known for here at Stillen and one of the things that we really prioritize when it comes to product development.

So the first thing we did was we came up with a very popular setup that we used a lot on the 350Z. It’s called “Gen 2” a short ram intake, basically it was a polyurethane air shield, an air filter and a velocity tube inside the entire system. It was a very good part that worked well but it didn’t produce a lot of power. Overall the intake improved the sound and the performance of the vehicle.

However our engineering team was dedicated to finding a system that would make a big bang. So they went to work for more than a year and came up with 56 prototypes. When the team finalized the Gen 3 long tube dual cold air intake system for the Nissan 370Z, Infiniti G37 and G35 Sedan, and the Nissan 350Z HR all four of those applications have really been successful with this Gen 3.

What’s in the Box

STILLEN Gen 3 Dual Hi-Flow Ultra Long Tube Cold Air Intake for Nissan 370Z, Nissan 350Z, Infiniti G37, Infiniti G35 and Infiniti Q60

So you get the aluminum intake tubes, two air filters, mounting hardware and the STILLEN couplers. For the G37 and G35, you’ll receive a polyurethane air shield. The air shield deflect any water, debris or anything else that could damage the air filters.

The Best Intake in the Market

Now what makes the STILLEN Gen 3 the best cold air intake on the market? To start, STILLEN put more than a year of engineering and developing to make the Gen 3 Cold Air Intake. The intake has a 3″ inlet tube that next down into a 2.5″ inlet tube. The 2.5″ inlet tube leads all the way up to the throttle body. We have CNC machine billet aluminum mass airflow sensor bosses welded to aircraft quality 6061 T6 aluminum.

Some of the most popular questions that we’ve been getting lately are why did we go with aluminum and why did we go with a 2.5″ diameter tube. STILLEN’s team chose a 2.5″ diameter tube because that is the size that is closest to the factory mass airflow sensor. If we were to change that, you absolutely have to recalibrate the entire ECU. You would have to re-tune the car in order to get it to run the larger diameter tube and increasing the cost tremendously. You’re talking about a $700 tuning license and hours on the dyno. So a $500 to $700 air intake system at the absolute high end, now becomes a $1500 intake system.

We’ve had some customers tell us that they even needed new fuel injectors when running a higher tube diameter intake. Now with new fuel injectors, that has the potential to be a $3000 air intake system. For us at STILLEN, that was just not something that we felt was really necessary. The gains don’t really outweigh the cost when you’re talking about a slight increase in power over a 2.5″ that bolts right on. The Gen 3 Cold Air Intake doesn’t require any additional tuning so for those reasons we chose the 2.5″ diameter.

Pros and Cons

There are a number of benefits to a silicone tube. First, the cost of silicone is significantly less expensive than aluminum. There’s a lot of work that goes into an aluminum tube. Just the material cost alone and then all the labor to bend it, cut it, weld it, prepare it, polish it cost more. There’s quite a lot more cost than what goes into a silicone tube.

However, the downside with a silicone tube is that if the silicone tube is reduced to get through the front core support then that becomes a restriction. You have to modify that front core support and open it up to fit a 2.5″ tube in order to get sufficient airflow coming through in order to produce the power that you need. A silicone tube simply won’t give you the power that you need because it becomes a restriction unless you modify that front core support.

In addition to that silicone tubes, they’re significantly thicker than aluminum tube. So aluminum tubes can get away with 0.065 wall thickness, it’s a minimal wall thickness and much air volume as possible. When you go with a silicone tube it’s substantially thicker wall requires much more modification on the front core support in order to get it through without impeding the airflow.

The other disadvantage to a silicone intake tube is the fact that silicone is very flexible. Your engine is a vacuum pump, it sucks in air as hard as it can. So as you’re reaching full RPM and you have that air rushing through this intake tube and you’ve got this long stretch of open tube. The engine actually produces so much vacuum that it can actually suck the silicone shut. We’ve seen this on a number of different vehicles even some of them that come from the factory with rubber or silicone inlet tubes.

For that reason we felt that aluminum was going to be much more rigid, much more durable and was the ultimately the best choice to use. So those are just a few of the reasons why we chose the materials that we did and how we came up with the design for this intake system.

Final Thoughts on the Gen 3

STILLEN went through 56 different prototypes. It was more than a year of engineering before finalizing the design of the Gen 3 intakes. To be able to bring the best cold air intake is something STILLEN is very proud of. That’s something we try to achieve with every single STILLEN product. The Gen 3 intake system has been the most popular intake on the market for Nissan/Infiniti for the last decade.

STILLEN Intakes

Featured Article

2019-2020 Chevy Silverado 1500 TruPower by STILLEN Cold Air Intake Scoop - TP403501

Chevrolet Silverado 1500 Trupower by STILLEN Cold Air Intake Scoop

The STILLEN design allows for the air to come directly into the intake system without being warmed by the radiator. The STILLEN intake scoop isn’t disrupted by the lattice type material in the radiator shroud. This design eliminates the pre-heating and the turbulence caused by the factory system.

STILLEN Toyota Tundra Cold Air Intake

With this particular air intake STILLEN has increased the volume of the air box while also increasing the flow. The increased flow comes from the radiator shroud inlet system. Which guides air through the vehicle’s core support and into the larger poly-ethylene airbox. This design lowers the intake air temperatures back to ambient more than 60 seconds before the factory intake system. Its far sooner than any other aftermarket intake available.

2023 Nissan Z “Street Series” Cat-Back Exhaust System | STILLEN

Jan 18, 2023

Features and benefits:

Limited lifetime warranty
304 stainless steel
Made in America
Tig welded construction
CNC Machined
CNC mandrel bent
Dyno tested

2023 Nissan Z “Street Series” STILLEN Cat-Back Exhaust

2023 NISSAN Z | STILLEN CAT BACK EXHAUST "STREET SERIES" SKU 504503, 504504, 504505

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After months of exhaustive testing the team determined that the best design starts with a stainless steel flange with precision tig welds. The flange is tig welded to 2.5” tubes that lead into a CNC bent and CNC machined X pipe.

During the development the team tested a true dual exhaust system. The team determined that it was too loud and too “flat” sounding. Something that is very common with the twin turbo V6 engines. However, in an effort to get the best performance possible we didn’t want to restrict the engine by going from dual 2.5” tubes to a single 3” mid-pipe.

The perfect solution was an X pipe which offered a cross-sectional area of around 4”. Most importantly, this allowed the team to merge the left and right banks. Therefore, the merge improves the sound tremendously without restricting the exhaust flow. Additionally, it allowed the team to fit the largest possible collector through the narrow chassis tunnel in the center of the car.

Its goes from the X pipe to CNC mandrel bent 304 stainless steel tubes. After that, the tubes lead into a pair of precision tig welded high polished finish, mufflers. To design these mufflers the team at STILLEN created new proprietary machinery to complete the assembly and welding process in-house.

This equipment along with the manufacturing procedures developed exclusively for this muffler. Above all, it allows the team to precisely tig weld the polished stainless steel muffler bodies and end caps. By tig welding the mufflers, it leaves behind a “stack of dimes” finish with a fantastic multi-color burn trail.

In addition, the exhaust system is supported by a STILLEN branded cross-brace. This cross-brace accentuating the exhaust system.

To conclude, the exhaust system the customer has a choice of 3 different exhaust tips. We are extremely proud to offer this exhaust system. Most importantly, we’re proud to continue our many decades of American manufacturing.

POLISHED

504503

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BURNT

504504

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CARBON FIBER

504505

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FEATURED BLOG POST

TruControl by STILLEN | Nissan and Infiniti

2023 Nissan Z Test Drive | STILLEN

Kyle from STILLEN was able to test drive the new 2023 Nissan Z and he taught the Z was absolutely amazing. He has taken the Nissan Z through a canyon road near his home and it was an absolute blast to drive.

2023 Nissan Z Test Drive | STILLEN

Jan 10, 2023

Kyle from STILLEN was able to test drive the new 2023 Nissan Z and he taught the Z was absolutely amazing. His done exactly what anybody with the keys to the new Z would do. He has taken the Nissan Z through a canyon road near his home and it was an absolute blast to drive.

It handles extremely well, just hugging every single turn. No tire squeal, no drama. It just soaks it up and it just goes. Point and shoot steering, you get on the throttle and the rear end starts to come around.

The Nissan Z has excellent power delivery from the VR30 V6 Twin Turbo 400 horsepower platform. It’s absolutely phenomenal to drive. You can definitely see the areas of enhancement that Nissan has made to the new Z.

STILLEN can’t wait to get there own Z and start to make some improvements. But again, these are improvements and modifications that are for the enthusiasts. They’re going to be for the enthusiasts who wants that extra power. The enthusiast that really wants to push it a little bit further and this car is going to respond so well to it. You can already tell that the new Z wants to go faster and wants to push harder.

From a styling perspective, Nissan has really hit a home run for the new Z. This is one of the best looking cars on the road. “I have to be honest, I didn’t love the original photos I saw. I didn’t think that the front end was really what I was looking for. As soon as I saw the Z in person for the first time, I knew I was wrong. The photos just don’t do it justice. This is a good looking car.” – Kyle.

The front end of the Z is designed to look like the older Datsun Z, similar to a 240 and a 260. Then you move around to the back of the Z and you get that 300ZX rear end immediately. The tail lights are a modern 300ZX tail lights, they’re absolutely fantastic. We can all agree that the rear tail lights are the best part of the design of the vehicle.

The katana down the roofline of the car is a very cool easter egg, but overall it’s just an amazing car. From a performance perspective, it handles incredibly well. You can tell that the power is there as soon as you put your foot down. It just scoots and gets going right away. This car wants to run, it wants to run hard, and you can already tell it’s going to be a lot of fun.

Steve Millen History

In 1989 our company founder, Steve Millen, started working with Nissan. Nissan hired Steve to be the lead driver for their new sports car program. They were bringing in the 300ZX at the time. They were going to bring in two race cars; number 75 and number 76. It was a twin turbo V6 VG30 based engine and they took those cars to dozens of race wins, dozens of pole positions, two world championships, wins in Asia, Europe and America.

Steve Millen & team with the No. 75 Nissan 300ZX & No. 76 Nissan 300ZX After Winning the 1994 24 Hours of Le Mans

To this day, I believe Steve Millen still holds the record of being the only driver to win the 24 hours of Daytona, the 12 hours of Sebring, and the 24 hours of Le Mans in the same year. They had a crazy amount of success with that 300ZX racing program.

Steve really translated that success on the track into STILLEN’s road car program. He also worked very closely with Nissan, refining the 300ZX and giving them more power and developing all these parts through STILLEN.

Towards the end of the 300ZX in 1995, Nissan celebrated his relationship with them as well as the culmination of the Z. They built a special limited edition SMZ 300ZX. It was a Steve Millen design 300ZX. This was a car that you could also buy through your local dealership. They only made a little over 100 cars in North America and these cars were sold through the dealer network.

2023 Nissan Z Test Drive | STILLEN SMZ 300ZX

The dealers would call up STILLEN, and they would place their order for the cars. All the SMZ packages were the same. It was just the color of the vehicle that was different. The SMZ package came with different wheels, brakes, body work, and a little bit more power through an intake and exhaust. I think there was a computer reprogram and some interior enhancements too.

The SMZ package was a 300ZX that you could buy from the dealership with the factory warranty. That’s the type of relationship STILLEN has with Nissan. Working with Z’s goes through our blood, all the way back to the late 80’s and early 90’s.

When the 350Z came out it was very much the same. We didn’t do a SMZ package, but we did a whole catalog of parts for the 350Z. That catalog of parts included exterior styling, sway bars, intakes, exhaust systems, oil coolers, transmission coolers, supercharger systems, you name it. At one point, STILLEN had about 30 different products for 350Z. That really speaks to the STILLEN’s philosophy when it comes to the Nissan Z’s. The relationship that STILLEN has with the Z is strong.

We don’t want to just do an intake or exhaust. A lot of the times when STILLEN brings other vehicles in for product development, that’s all we’re doing. We’re just doing an intake and an exhaust system, maybe a body kit.

On the Z’s we tackle the entire car. It becomes a passion project for STILLEN because of that relationship and that connection that STILLEN has to the Z and to Nissan. We really want to refine it as best we can. So we’ll go front to back, top to bottom.

The Z’s are so special to us that we just want to give them as much attention and as much love as we can. That basically comes out by all the parts and all the enhancements that we make for the Z’s.

2023 NISSAN Z

We continue to work and develop new parts for the 2023 Nissan Z. The new STILLEN products are nearing their completion. Make sure to have your social media notifications on to be the first to hear about the new products. Hopefully your as excited as we are to bring the new products for the 2023 Nissan Z.

2022-2023 Nissan Frontier Cat-Back Exhaust | STILLEN

Jan 2, 2023

STILLEN 2022-2023 Nissan Frontier Stainless Steel Cat-Back Exhaust System – 509460/509461

2022-2023 Nissan Frontier STILLEN Cat-Back Exhaust System

STILLEN has released their new STILLEN Cat Back Exhaust for the 2022-2023 4×2 and 4×4 Nissan Frontier. The Nissan Frontier is a capable truck in both utility and sport; whether you are using your Nissan Frontier for fun or work, the addition of a STILLEN 2.5 inch Cat-Back Exhaust System will help your truck deliver the performance you demand. The STILLEN Cat-Back Exhaust is available in a Polished Tip 509460 and a Black Tip 509461.

Features and Benefits:

Cat-Back Exhaust [Polished Tip] 509460
Cat-Back Exhaust [Black Tip] 509461
Excludes Crew Cab with Long Bed
Aggressive Sound Under Throttle
Stainless Steel Construction
Stainless Steel Construction
Dual Wall Engraved Tip
Limited Lifetime Warranty
Made in USA

ORDER TODAY

Dual Exhaust Construction

2022-2023 Nissan Frontier STILLEN Cat-Back Exhaust System - Black Tip 509461

STILLEN went through a strict regimen of design, engineering and testing to ensure the STILLEN 2.5 Cat Back Exhaust for the Nissan Frontier delivered performance where you could feel and use it best. STILLEN tested 2, 2.25 and 2.5 tubing to ensure the most power gains across the meat of the power-band.

Single Muffler Design

The dual mandrel bent 2.5 inch exhaust tubing construction continues all the way to a single muffler. This cat back exhaust is equipped with our signature STILLEN muffler producing the aggressive sound you hear under throttle. Then exits through a single 3 inch exhaust pipe that finishes with a beautiful black or polished engraved tip.

4″ Engraved Tip

The powerful muffler has been paired up with a 4 inch Polished or Black Exhaust Tip that has been engraved with our signature STILLEN branding for authenticity and style.

STILLEN Sound Clips

If you have any questions about the STILLEN Cat-Back Exhaust System for the Nissan Frontier or any other STILLEN product, give us a call at (866) 250-5542 or email us at sales@stillen.com.

Product Spotlight

STILLEN has produced some of the best sounding exhaust systems for Nissan vehicles.

Nissan Rogue

STILLEN® is excited to announce the release of the STILLEN Cat Back Exhaust for the 2016-2021 4×2 and 4×4 Nissan Titan. The STILLEN Cat Back System delivers a max increase of 43 WHP (Wheel Horse Power) @ 4,100 RPM and a very impressive +61TRQ ( Torque) @ 3,800 RPM.

STILLEN Garage

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