Every so often we get a car come through the performance shop that is BIG news here at STILLEN and that happened just a few weeks ago with an Infiniti G37x. It all started a few months ago when one of our performance specialists took a call from a potential customer about a supercharger for a G37x. Over the course of a few months, the performance specialist worked with the customer making suggestions and answering questions until the customer was completely confident in his purchase. By this time, this car had transformed from a very nice G37x into many employees’ dream car.
Infiniti G37x Customized with STILLEN Parts
The Infiniti G37x Wish List
This customer is a professional mountain bike racer, who also manufactures mountain bike and motorcycle performance parts. He wanted to make sure that he could modify a G37x to handle and perform as close to a GT-R as possible. To achieve his dream, he was looking to combine GT-R performance with the luxury and practicality of a sedan. Therefore, speed, handling and braking were of utmost importance to him. This car needed to be able to perform and handle the way everyone dreams a sports car will handle, but also be reliable so that the customer could drive on a variety of services with confidence. That meant that he was looking to upgrade the car’s power, suspension, braking and also had to make sure he had all of the other performance upgrades necessary to ensure the other aspects of the car were ready for the modifications that were being made.
Infiniti G37x in the STILLEN Performance Shop
Performance Upgrades
Supercharger
Infiniti G37x with STILLEN Supercharger
Parts: STILLEN 407730 Supercharger System, STILLEN 400338 STD Crank Pulley
Since additional horsepower was what had originally drawn the customer to STILLEN, we wanted to make sure we got him set up with the perfect blower for his car. We recommended the STILLEN Supercharger for Infiniti G37, which comes in a polished or satin finish. This customer elected for the satin finish. While we haven’t dyno tested this customer’s car, this blower has previously been tested during development to output over 500 horsepower.
Cooling Kits
G37x with STILLEN Supercharger and Cooling Kits
Parts: STILLEN 400740 Transmission Cooler, STILLEN 400632 Gold Oil Cooler
While power is important, so is longevity. Since this was also one of the customer’s concerns, we recommended he add a STILLEN transmission cooler and STILLEN oil cooler to the car. The transmission cooler will help preserve the car and help with power during hill climbs. The oil cooler will help keep the oil at the right temperature to make the supercharger last.
Coilover Shocks
Infiniti G37x with Aftermarket Coilover Shocks
Part: BC Racing BCRV-08U BR Serues Coilover Shocks*
Since this customer’s vehicle is all wheel drive (AWD), our shock selection was admittedly slim. That being said, we found a solid option in the BC Racing coilover shocks. With their swift spring upgrade, it allowed the customer to get a higher quality shock with a more consistent spring rate. These coilover shocks also feature less coils per spring rate, which allow for a larger spoke and better travel.
*Note: These coilover shocks are not available online. Please call 866-250-5542 for more information.
Sway Bar
Part: STILLEN 304375 Adjustable Sway Bar Kit
Being an experienced driver that wants to enjoy a thrill when he drives, this customer was looking for a bit more oversteer than the stock sway bar could provide. With that in mind, we recommended that the stock sway bar be replaced with a STILLEN adjustable sway bar for G37X. This sway bar is made from high strength aircraft grade steel and is specially designed to reduce body roll and improve cornering.
Grounding Kit
Part: STILLEN 606358R Grounding Kit
With all of the upgrades being made to the car, we wanted to make sure that the electrical components were as optimized as possible and the customer agreed. To do this the sales representative recommended a grounding kit be added to the vehicle. By adding this feature, it will allow the electrical system to work better, allowing the customer to enjoy all the performance benefits of the upgrades he had made.
Cat-Back Exhaust
Infiniti G37x with STILLEN Cat-Back Exhaust
Part: STILLEN 504377 Cat-Back Exhaust
The STILLEN cat-back exhaust was added for performance gains and sound improvement. Like our other STILLEN exhausts, it features a mandrel bent 304 stainless steel construction and boasts the trademark STILLEN sound that is mild while cruising, but becomes more aggressive as you accelerate.
Big Brake Kit
Infiniti G37x with Big Brake Kit
Parts: AP AP5700R Front Brake System, AP AP3752R Rear Brake System
When your car packs as much power as this Infiniti G37, it’s important to make sure that it has the necessary stopping power to safely slow the car down. In this case, stock brakes just weren’t going to cut it. That’s why we recommended the cross drilled and slotted AP Racing Brake Kit, which are known for being the top big brake kit manufacturer in the industry.
Wheels
G37x Aftermarket Wheels
Parts: TSW 1985NUR455114S76 Nurburgring Wheel, TSW 1995NUR415114S76 Nurburgring Wheel*
To complete the makeover, we suggested the customer go with a set of TSW wheels. This was because the customer’s existing wheels would not fit the big break kit that was installed and because he wanted a sportier look with better functionality. Additionally, these wheels have a rotary forged design, which maintains strength and durability, while being light weight.
*Note: These wheels are not available online. Please call 866-250-5542 for more information.
The Results
STILLEN upgraded 2013 G37x
After the dust settled from all the upgrades were made, the customer was extremely happy with the power and performance he’s now getting from the car. As you can imagine, his car has plenty of power and torque to meet his goal of turning his G37 into a four-door GT-R. He’s also loved the suspension adjustments that were made with the sway bar and coilover shocks – it’s handling wonderfully for him. Plus, he gets to enjoy the stealth factor when street driving. Other drivers have no idea how fast his car can go until he chooses to leave them in the dust!
Check out the slide show below to see the full transformation this car made!
Next Steps
If you have any questions about the Infiniti G37 parts above or want to explore upgrading your car, please contact one of our performance specialists at 866-250-5542. We will be happy to answer any questions you have about our parts, make suggestions of upgrades to make to get the most out of your vehicle.
