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lowering springs

Port City Nissan x STILLEN 2017 Nissan Maxima


Nissan has put the “sport” back into its original “four door sports car”, the Maxima. After unveiling the Sport Sedan Concept early in 2014, it built up anticipation for the eighth generation A36 Maxima for the 2016 model year. Nissan did not disappoint and the numbers prove it, as Maxima sales in March 2017 outperformed the previous 39 months and were the second highest overall in the last 88 months (according to ANDC research).


Riding the wave of the Maxima’s popularity, Nate Price, a Parts Consultant at Port City Nissan in Portsmouth, New Hampshire, decided to outfit one of the hot selling sedans with aftermarket components. He installed a STILLEN Front Bumper Lip Spoiler Extension for 2016-2017 Nissan Maxima and the STILLEN Stainless Steel Dual Axle-Back Exhaust System for 2016 Nissan Maxima (504399) to add a more aggressive look and sound to the Maxima. The chassis was then outfitted with Giovanna 20-inch Haleb wheels before dropping the chassis on a set of Eibach Pro-Kit Lowering Springs for 2009-2014 Nissan Maxima (6392.140). According to Price, “We liked the way it turned out, the parts fit like a glove.”

To outfit your Nissan with STILLEN products, don’t hesitate to contact the dealerships in the STILLEN Dealer Network. If you’re close to Portsmouth, contact Nate Price at Port City Nissan at 603-431-6500 extension #3.


To order or if you have any additional questions, please feel free to give us a call (800-576-2131), shoot us an email (sales@stillen.com) or reach out to us on Live Chat at STILLEN.com.


Lowering your vehicle is one of the most noticeable modifications both in visual impact and driving dynamics. We get quite a few inquiries about suspension setups and are often asked about the best practices to lowering a customer’s car. We are here to give you a brief “101” overview to  lowering your vehicle with springs and also complimenting them with shocks.

Lowering your vehicle has several benefits:

  • Roll Center Reduction – The reduction in distance between the chassis and the ground reduces the roll center of the vehicle. This benefits the car in the weight transfer from one side of the vehicle to the other in a turn. Less weight transfer means more evenly-distributed pressure on all 4 tires which means better traction.
  • Spring Rate – In combination with the lower center of gravity, the increased spring rate of a lowering spring, which helps compensate for the shorter shock travel, improves handling by reducing body roll.
  • Aerodynamics – Lowering your vehicle improves the aerodynamics by reducing the amount of air passing under the vehicle. Reducing drag not only aids in performance but also improves fuel economy.
  • Style – Visual impact is typically the main reason people lower their vehicle. There is no denying that a lowered vehicle looks more stylish and sporty.

Springs have been the go-to method for lowering vehicles. The design of a good lowering spring takes into consideration things like factory spring rate, factory shock dampening, vehicle weight, and suspension geometry. Companies like RS-R and Eibach factor in all these  variables to create  a spring that offers good ride quality, improved handling, and does not compromise the factory shock absorbers. You can expect a slightly stiffer ride after installing lowering springs. Most enthusiasts welcome the increased road feel and the average consumer can’t tell much of a difference in comfort. With springs being fairly inexpensive and straight-forward to install, most enthusiasts choose them for lowering their vehicle over the more expensive coilover systems.


When selecting a spring there are typically a couple of options: Spring type (Progressive vs Linear) and Lowering Amount (I.E. 1 inch vs 2 inch). Selecting the amount you want to lower your vehicle comes down to preference and also how much ground clearance you feel is adequate for where you drive. For selecting spring type, it is important to know the differences between Progressive and Linear springs.

  • Progressive springs are pretty much what they sound like. The spring rate progressively changes as it is compressed. The advantage of this design is being able to keep a close to factory spring rate in a given operation range (say the range you would typically be in during daily driving) which retains factory ride quality. The range past this in which the spring would be compressed at a faster rate, such as aggressive turns and impacts (bumps and potholes), a mildly higher spring rate improves performance and also keeps the suspension from compressing too much (which could result in bottoming out or moving out of the operation range). Lowering springs typically utilize this design because of the versatility.
  • Linear springs are also what they sound like. The spring rate is constant along the entire spring. Linear rate springs are used when a specific shock absorber is designed and tuned to go with them. They offer a more consistent feel under compression (like what you would feel in racing and aggressive driving). When used for lowering a vehicle you sacrifice ride comfort. Because you are running a much higher spring rate, you don’t have the same comfort range like you do on a progressive spring. For most enthusiasts, the benefits do not generally outweigh the decrease in ride comfort so they are less commonly used by manufacturers.

Shock absorbers paired with lowering springs are also a common upgrade. While properly engineered lowering springs are matched to the factory shock absorbers, there are still performance benefits from a more aggressively-valved shock absorber or by simply replacing the old factory units with newer ones. There are several great offerings from Eibach for replacement shocks that are valved specifically for lowering springs so the performance benefits of your springs will be increased along with the peace of mind that comes with their 2-year warranty. Most shock absorbers last between 40k-80k miles depending on vehicle weight, driving habits, and road conditions. If you are in that area we definitely suggest looking at upgrading or replacing your shocks while you are installing lowering springs.


If you are still not sure what route you want to go to lower your vehicle, we would be happy to help you in any way we can. Please feel free to contact us for questions or further advice on all your modifying needs. Check out our website for our great deals!


2016 Nissan Altima lowered on the Eibach Pro-Kit.

Subaru fans, get ready for the RS-R Subaru WRX Down Sus Springs and RS-R Subaru WRX Sports-i coilovers! In typical RS-R fashion, they are the first to come out with 2015 WRX lowering springs and coilovers. Also, like the other RS-R springs and shocks, the Subaru WRX kits are manufactured in Japan from the finest quality materials and a specially designed for the 2015 WRX. This allows them to ensure the lowering springs and coilovers fit perfectly, look good and provide you with a comfortable ride.

RS-R Lowered WRX

RS-R Lowered WRX

Available Now: WRX Down Sus Lowering Spring

Like other RS-R springs, the RS-R F400D springs for 2015 Subaru WRX are designed to offer you the best of both worlds – good ride quality and an exceptional looks. With the Down Sus springs, you can expect to enjoy a moderate drop height and increase your spring rate by 30-50%.

Down Sus Springs Specs:

Coming Soon: WRX Sports-i Coilovers

If you’re looking for maximum ride height options, then the RS-R XSPIF400M Sports-i  coilovers for 2015 WRX are the coilovers for you. With 36 way adjustable front and rear dampers, you can easily adjust your WRX for to get the perfect look. Plus, the Sports-i coilover shocks come pre-tuned and pre-set for the optimal balance of comfort, performance and style.

Sports-i Coilover Specs:

  • Part Number: RS-R XSPIF400M Sports-i Coilovers for 2015 Subaru WRX
  • Preset Approximate Height:
    • Front: -1.4″
    • Rear: -1.4″
  • Maximum Adjustment Ranges:
    • Front: -0.2″-3.1″
    • Rear: -0.4″-3.5″
  • Recommended Adjustment Range for Optimum Ride Quality:
    • Font: -0.6″-2.4″
    • Rear: -0.8″-2.4″
  • Spring Rates:
    • Front: 7.00kg/mm
    • Rear: 7.00kg/mm
  • Warranty: 1 year/ 12,000 mile manufacturer’s warranty from date of purchase

Contact Us

If you have questions for about the RS-R springs, coilovers, or any of the other 2015 Subaru WRX performance parts we carry, be sure to give us a call at (866) 250-5542. If you want your new coilovers or lowering springs installed by the professional and live in the Southern California area, be sure to stop by the STILLEN performance shop. We offer a full service shop that specializes in performance upgrades is open to the public. To make an appointment, simply give us a call and we will be happy to get you on the schedule!

Since first opening its doors in 1986, STILLEN has been known throughout the industry for being product experts in each part we manufacturer and sell. Today, we continue our dedication to this tradition by not only keeping up with our own products, by also maintaining the same level of product knowledge about the other vendors we carry. To do so, we regularly invite vendors to visit us at STILLEN headquarters to train us on their product line. Just a few weeks ago, we welcomed RS-R to our facility and enjoyed an intensive training learning more about their product line, including their coilover shocks and lowering springs. Here are a few things we learned.

RS-R Coilover Shocks & Lowering Spring Training

RS-R Coilover Shocks & Lowering Spring Training

100% Japanese Made Coilover Springs

With a goal of delivering “a nice drop, great performance, and a factory-like comfortable ride,” the RS-R coilover springs truly live up to their reputation as the #1 spring manufacturer in Japan. Each of their springs is made from the highest quality steel that is sourced from Japanese domestic metal providers. From there, RS-R’s expert R&D team develops a quality spring that is model specific. This practice ensures that you get the optimum spring rates and drop heights to ensure the best ride in terms of comfort and performance based on the amount of drop you would like.

RS-R offers three different lowering spring options for you to choose from, allowing you to select the perfect balance of comfort and style for your ride. Check out their product line up below:

  • Half Down Sus Lowering Springs – With 20-40% increased spring rate and a conservative drop height, these coilover springs are ideal for up to a 1/2 inch drop.
  • Down Sus Lowering Springs – Characterized by an increased spring rate of 30-50% and known for its moderate drop height of approximately 1 inch. It’s no wonder the RS-R Down coilover springs are RS-R’s best-selling line
  • Superdown Sus Lowering Springs – With a 40-60% spring rate, the RS-R Superdown springs offer RS-R’s maximum drop height and are ideal if you’re looking for a slammed look.
RS-R Coilover Shocks Training

RS-R Coilover Shocks Training

Quietest Coilover Shocks Available on the Market

RS-R has earned their reputation for having the highest quality coilover shock available on the market for good reason – they are. Like their springs of their shocks are constructed from high grade metals sourced from top Japanese metal providers. From there their team develops a vehicle specific valve set up, uses advanced laser cutting techniques to shape their upper mounts, hand welds their lower brackets and hand assembles each coilover in RS-R’s Japan headquarters.

Here are a few features that the RS-R coilover shocks are known for:

  • Monotubes are hand assembled and
  • Urethane bushings
  • Roller bearings
  • Rubber padding
  • Ti2000 springs
  • 36-way adjustable damper adjustment dials
  • Add up to 1.5 degrees of camber

The RS-R coilover shocks come in two different styles for you to choose from based on your driving habits and look you are going for.

Black-i Coilover Shocks

RS-R Black-i Coilover Shocks Training

RS-R Black-i Coilover Shocks Training

If you are looking for an extreme drop height for your vehicle, the RS-R Black-i coilover shocks are the perfect balance of comfort and style. These coilovers come pre-tuned from RS-R, are 1 way adjustable and has a pre-set rebound.

Sports-i Coilover Shocks

These high quality performance coilover shocks that are suitable for everyday use, provide a comfortable ride and come pre-tuned from the RS-R performance team. Additionally, the RS-R Sports-i Coilover shocks are 1-way adjustable, come with pre-set rebound and are tuned from RS-R to strike a perfect balance between performance and comfort.

Questions? Call Us

The STILLEN Team Learning about RS-R Lowering Springs and Coilovers

The STILLEN Team Learning about RS-R Lowering Springs and Coilovers

After the intense training session, our sales team can comfortably say that we are experts in their product line and would love to answer any questions you have about the RS-R coilover shocks and lowering springs. To speak with one of our experts, simply call (866) 250-5542 and we will be happy to help you.

We’re all pretty excited to be selling RS-R coilovers (RS-R Black-I and RS-R Sport-I) and RS-R lowering kits and when one of the sales guys had an opportunity to test the ride quality of an AWD Q50S, you can imagine how excited he was. Check out his review below:

“I got a chance to drive the Q50 before and after the coilover install and I was very impressed. It is not night and day difference obviously being a luxury car; however, I noticed it was more compliant on some of the bumpier roads and felt very solid over road imperfections (the run flats suck though). Handling feel was definitely improved and the car felt very well composed and planted in turns (though I did not push it at all). My wife rode in the car and had no idea it was lowered until I told her.” – STILLEN Imports Sales Specialist, Infiniti Q50


More RS-R Reviews:

After hearing his review on the forums, other reviews started pouring in from other STILLEN customers and forum participants.  In each case the story is the same – they love the ride quality and handling.  Check out STILLEN customer, Manny E.’s review of the RS-R Sport-I:

“In summary, the sports-I is awesome. Ride is perfect. Very minimal bounce or none at all. my wife didn’t even notice I had them in there until my front scraped while we were coming down a steep driveway then she asked– DID YOU LOWER THE CAR AGAIN???!!! Did a little canyon driving and handling was very impressive just don’t overcook too much. This car is my DD and I am very satisfied with the comfort and the performance if the need arises.” – STILLEN customer Manny E., Infiniti Q50

Then we saw even more reviews…

“I would like to thank RS-R and Stillen for making my car looks fab— I had the RS-R coilover over a month now and I may say ( thanks RS-R for installing my coilovers) ..the quality of my ride really improved … the handling … very nice as in very nice….. and the drop level RS-R did on my car.. i loved it!!!!” – STILLEN customer Ricky P., Infiniti Q50

“Compared to the OEM…the ride quality difference is day and night. Right away, car feels much more planted and balanced, very predictable and gives great feedback. From the picture, look at the top mount, you’ll see a rubber layer over the top-mount where it connects to the chassis, this reduces coilover clunking noise with metal mounts, been over 3 weeks now and haven’t ran into any noise/chatters, or problems. Customer service is awesome, they even offered me to come in when their Japanese engineers were in town to ask any questions or need any help.

Performance wise, I did couple of canyon runs and I’m more than satisfied, feedback from the car is top-notch, handling greatly improved!” – the370Z.com forum participant, Nissan 370Z

Next Steps

As you can see from our sales rep’s review and the customer reviews, the RS-R system is top notch and provides superb ride quality.  So much so that there were several wives that didn’t realize the car had been lowered until the dreaded scrape gave it away or until questioned if they noticed anything different about the car. If you’re interested in getting a set for yourself or have any questions, be sure to give our experts a call at (866) 250-5542 and we will be happy to help you. We should add that the Q50 RWD RS-R Coilovers are available now and are ready to ship!

Additionally, we also feature a full service performance shop in Orange County, CA that specializes in all sorts of performance upgrades – including coilover shocks and lowering kit installations. If you would like to set up an appointment, just give us a call and we will get you on our schedule!

Born from frustration caused from low quality suspension parts available in the 1980’s, RS-R has become the premier manufacturer of coilover kits and lowering springs. As such, STILLEN is proud to announce that we are now carrying RS-R Sports-i series coilovers, Black-i series coilovers and lowering kits for select vehicles!

RS-R Black-i Coilovers

Just because you want your car to look good, doesn’t mean you or your passengers should have to suffer through jarring and uncomfortable ride each time you take it out – that’s why RS-R created the Black-i series. These coilovers feature valving, spring pre-load, and spring rate that is designed to work well with lowered cars that most other coilover shocks would not be able to handle.

Check out the top RS-R Black-i coilovers we carry below:

RS-R Sport-i Coilovers

Characterized by versatility that is not normally associated with a track suspensions, the RS-R Sport-i coilovers are designed to be a solid option for a range of uses. From the track to daily driving, with the RS-R Sport-i coilovers, you can enjoy a comfortable ride during your day-to-day driving without the hassle and headache of having to make damper and camber adjustments or adjusting your suspension settings after a day at the track.

Here are a few of the top vehicle applications we offer for the RS-R Sport-i series coilovers:

RS-R Lowering Kits

Enjoy superior performance and handling, while still getting the low look you love with the RS-R Sus and Down Sus lowering springs. Both styles of lowering springs factor in factory suspension geometry, ride height, spring rate and shock dampening to ensure you are able to lower your car’s stance without impacting the performance and comfort.

RS-R Lowering Springs

RS-R Lowering Springs

Here are a few of the RS-R lowering kits we offer:

Next Steps:

For more information about the RS-R Black-i coilover shocks, RS-R Sport-i coilover shocks or the RS-R lowering springs, please visit www.stillen.com or give us a call at (866) 250-5542 and we will be happy to help you. If you would like to get your new shocks or lowering kit professionally installed, be sure to let us know! We also feature a full service performance shop in our Costa Mesa, CA headquarters that specialize in installing performance parts for a wide range of vehicles. To make an appointment, simply call us and we will get you on the schedule!

A STILLEN customer picked up some new Eibach Pro-Kit Lowering Springs for his 2013 Chevy Sonic Hatchback and sent in a few photos of the quick and easy install. These Eibach Pro-Kit Springs were on the car in just a couple hours and transformed the Sonic Hatchback into a fun driving little commuter.

2013 Chevy Sonic Hatchback Stock Height
The 2013 Chevy Sonic Hatchback sitting at stock height.

2013 Chevy Sonic Hatchback Eibach Pro-Kit Lowering Springs
Eibach Pro-Kit Lowering Springs are available for the 2013 Chevy Sonic Hatchback and 2013 Chevy Sonic Sedan.

2013 Chevy Sonic Hatchback Eibach Pro-Kit Lowering Springs
Pro-Kit box contains front and rear springs, front boots, bump stops and product/warranty literature.

2013 Chevy Sonic Hatchback
The windshield wipers and plastic cover removed to reveal the top of the front struts.

2013 Chevy Sonic Hatchback Stock Front Shock and Spring
Front tire removed to access the 2013 Chevy Sonic stock front suspension.

2013 Chevy Sonic Hatchback Stock Front Shock and Spring Removed
Stock strut and spring removed with just 4 nuts.

2013 Chevy Sonic Hatchback Stock Springs Compressed
You can usually rent these spring compressors at your local auto parts store like Pep Boys or Auto Zone for free.

 Hatchback Stock Rear Shock and Spring
Rear tire removed to expose the 2013 Chevy Sonic stock suspension.

2013 Chevy Sonic Hatchback Stock Rear Spring
The rear is so easy you can actually change the rear spring without removing the tire if you wanted to. With a jackstand under the rear axle, just remove the shock bottom bolt then slowly lower the jack stand. The rear spring tilts right out.

2013 Chevy Sonic Hatchback Eibach Pro-Kit Lowering Springs
Eibach Pro-Kit installed on the 2013 Chevy Sonic Hatchback with stock 15″ wheels.

2013 Chevy Sonic Hatchback Eibach Pro-Kit Lowering Springs
Add some 205/45/17 tires slightly stretched on some 17x8s and you have a little commuter worth driving.

2013 Chevy Sonic Hatchback Eibach Pro-Kit Lowering Springs

Eibach Pro-Kit Lowering Springs for the 2013 Chevy Sonic Hatchback and 2013 Chevy Sonic Sedan (part no. 38160.140) available here: http://www.stillen.com/product/lowering-kits/eibach-prokit-lowering-springs-4-springs-38160140-eib38160140-115186.html

Newmarket Infiniti/Nissan’s latest build: this stylish 2012 Nissan Maxima.

Parts List

Nissan Maxima Body Kit

Newmarket Infiniti/Nissan Maxima with Hi-Flow Intake and Front Lip

Newmarket Infiniti/Nissan Maxima with Cat-Back and Roof Wing

If you’re in Ontario, Canada and want to check out this modified Maxima and others like it, stop by New Market Infiniti/Nissan or call Tom @ (905) 895-8785