Circuit Spec R
-37%
REV9 Bolt on FMIC Aluminum Front Mount Intercooler - Ford Mustang S550 2.3L Eco Boost (2015-2023)
-37%
$315.00
$500.00
Ford Mustang 2.3L EcoBoost 15-23 Bolt-On Upgrade Intercooler Kit Compatibility: Compatible with Ford Mustang 2.3L EcoBoost 15 16 17 18 19 20 21 22 23 Gain horsepower and instant performance upgrade with Rev9Power's Ford Mustang...
Megan Racing Supremo Exhaust System - BMW X3M/X3M Comp. (F97) 2020+
$997.00
Being that an engine is basically a glorified air pump. Engine performance relies on how much air/fuel mixture can enter and how much exhaust can exit the combustion chambers. Though it makes logical sense to...
VR Performance Blow Off Valve Adapter - Volkswagen Golf GTi | Jetta | Passat | Beetle Turbo
$59.95
The VR Performance Blow Off Valve Adapter allows your turbocharged Volkswagen the ability to vent unused charge air off to the atmosphere creating a whoosh sound. The black anodized billet aluminum piece easily installs between...
VR Performance Blow Off Valve Adapter - Ford F-150 | Raptor EcoBoost
$70.00
Improve turbo performance on your Ford F-150 or Raptor EcoBoost with the VR Performance Blow Off Valve adapter. This new BOV adapter allows the turbo system to vent 100% out to atmosphere the unused charge...
K-Tuned FUCA Front Camber Control Arms - Acura Integra DA (1990-1993)
$259.99
* Please note our K-Tuned Upper Camber Arms are designed for lowered cars only. DO NOT use them to correct camber angles on race cars that are raised higher than stock.The max drop we have...
-5%
![Megan Racing DS-Type Single Exit Exhaust System - Honda Civic (Exc. Type R) [2022+]](http://cdn.shopify.com/s/files/1/0256/5855/6497/products/my_post-1_26_362f02b5-3157-4a90-b136-17cac07cd30f_500x500.jpg?v=1677286024)
![Megan Racing DS-Type Single Exit Exhaust System - Honda Civic (Exc. Type R) [2022+]](http://cdn.shopify.com/s/files/1/0256/5855/6497/products/mr-cbs-hc22-ds_2_3b58a372-46a1-4a90-b23e-e37065a8aab4_500x500.jpg?v=1677286034)
Megan Racing DS-Type Single Exit Exhaust System - Honda Civic (Exc. Type R) [2022+]
-5%
$420.00
$442.00
Being that an engine is basically a glorified air pump. Engine performance relies on how much air/fuel mixture can enter and how much exhaust can exit the combustion chambers. Though it makes logical sense to...
-10%
Eibach PRO-TRUCK Coilover Stage 2 Front Coilovers + Rear Shocks - GMC Canyon 2WD / 4WD (2015-2022)
-10%
$1,163.00
$1,292.23
Description Stage 2 system featuring Pro-Truck-Coilover 2.0's + Rear Sport Shocks Front Adjustable Threaded Spring Perch to Accommodate Increased Loads and Maximum Clearance. ERO Off-Road Race Spring Equipped and Compatible. Anodized 6061-T6 Billet Aluminum Coilover...
-10%
Eibach PRO-TRUCK Coilover Stage 2 Front Coilovers + Rear Shocks - Chevrolet Colorado 2WD & 4WD (2015-2022)
-10%
$1,163.00
$1,292.23
Description Stage 2 system featuring Pro-Truck-Coilover 2.0's + Rear Sport Shocks Front Adjustable Threaded Spring Perch to Accommodate Increased Loads and Maximum Clearance. ERO Off-Road Race Spring Equipped and Compatible. Anodized 6061-T6 Billet Aluminum Coilover...
-10%
Eibach PRO-TRUCK Coilover Stage 2 Front Coilovers + Rear Shocks - GMC Canyon AT4 AWD (2021-2022)
-10%
$1,163.00
$1,292.23
Description Stage 2 system featuring Pro-Truck-Coilover 2.0's + Rear Sport Shocks Front Adjustable Threaded Spring Perch to Accommodate Increased Loads and Maximum Clearance. ERO Off-Road Race Spring Equipped and Compatible. Anodized 6061-T6 Billet Aluminum Coilover...
Phase 2 Motortrend (P2M) Checkered Flag Carpet Trunk Mat - Honda Civic EK3 EK9 EM1(1996-2000)
$45.00
This listing is for a brand new P2M USDM spec trunk mat with race inspired checkered pattern in dark grey coloring. This mat comes with their signature P2M plaque embedded onto the mat. Application: Honda:...
-11%
Sold Out
GSP Godspeed Project Mono RS Coilovers - Audi Allroad Quattro (C5) 1998-05
-11%
$765.00
$860.00
MonoRS Coilover damper kit by Godspeed Project are intermediate suspension upgrade setup for daily and Sunday club racing. Lowering your car with improved springs over factory and paired with Mono-tubo shocks with valving that allows...
-17%
Truhart Adjustable Front Upper Camber Control Arms Set - Tesla Model S (2012+)
-17%
$580.00
$700.00
TruHart adjustable front upper camber arms replace your factory front upper control arms allowing for necessary adjustment after lowering your vehicle. Our camber kits utilize hardened rubber bushings which allow less deflection and provide a...
-10%
GSP Godspeed Project Mono RS Coilovers - Toyota MR-S MR2 Spyder (XW30) 2000-06
-10%
$765.00
$850.00
MonoRS Coilover damper kit by Godspeed Project are intermediate suspension upgrade setup for daily and Sunday club racing. Lowering your car with improved springs over factory and paired with Mono-tubo shocks with valving that allows...
Air Lift Performance 1/4" Stainless Steel Replacement Leader Line - Single
$42.00
This is for a SINGLE Leader Line This listing is for a brand new Air Lift 20997 Replacement Leader Line Hose 1/4" NPT For Front and Rear Kits. Features: Made from quality material for superior durability...
-13%
Air Lift 3P Digital Suspension Air Management Control ONLY w/ 3/8" Air Line
-13%
$1,500.00
$1,718.66
Does NOT come with Tank or Compressor What would the ultimate air suspension be like? How would it combine an easy-to-use, reliable, and feature-rich system with powerful technology and beautiful design? Air Lift Performance 3P...
-29%
Koyo Racing 36mm V Series Performance Aluminum Radiator - Acura NSX MT (1991-2005)
-29%
$435.00
$614.00
Circuit Spec R carries a large selection of Koyo Aluminum Racing Radiators to suit your application for improved cooling performance. These are very durable and are direct replacements for your factory intercooler. Here are the...
-14%
Truhart Lower Compliance Rubber Bushings Set - Honda Civic (92-95) & Acura Integra (94-01)
-14%
$95.00
$109.99
Upgrade your front compliance bushings with these hardened K-Tuned bushings. Old worn and tired bushings will drastically reduce the feel and handling of your car. Replacing worn bushings and suspension components can really make an older...
-17%
Sold Out
Megan Racing Front Upper Camber / Caster Control Arms - Tesla Model Y (2020+)
-17%
$550.00
$663.00
Our front upper control arms for the Tesla Model Y will allow users to fine tune their front alignment angles in order to get the best performance out of their tires or as a final...
PRL Motorsports High Flow Drop In Oiled Panel Air Filter - Honda Civic & Si 1.5T (2022+)
$52.95
Decades of experience as enthusiasts and manufactures have been put together to create record-setting intake systems for track and street use. Our air filters are designed to last a lifetime with proper cleaning/maintaining (with biodegradable...
PRL Motorsports High Flow Drop In Oiled Panel Air Filter - Acura Integra 1.5T (2023+)
$52.95
Decades of experience as enthusiasts and manufactures have been put together to create record-setting intake systems for track and street use. Our air filters are designed to last a lifetime with proper cleaning/maintaining (with biodegradable...
-10%
CSF Aluminum Racing Radiator (Manual Transmission) - BMW 335i (2007-2011)
-10%
$449.00
$499.00
CSF manufactures the most advanced and efficient radiator cores in the industry by using innovative tube and fin technologies with industry-leading testing methods to maximize airflow and heat dissipation. These techniques allow CSF to stay...