2008-2014 Subaru STI

Enhance your driving experience with the PERRIN Clutch Delay Valve Delete. This simple upgrade removes the OEM delay valve to improve clutch engage...

Adjustable relief pressure and flow control makes fine-tuning on the fly simple and quick with the PERRIN BOV/BPV. HIGH FLOW With large 1.225" inle...

Why You Want It The PERRIN Turbo Inlet Hose, made with advanced silicone technology, outperforms the OEM part with a smoother, larger interior for...

Why You Want It The PERRIN Turbo Inlet Hose, made with advanced silicone technology, outperforms the OEM part with a smoother, larger interior for...

Why You Want It The PERRIN Turbo Inlet Hose, made with advanced silicone technology, outperforms the OEM part with a smoother, larger interior for...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

Throw Your Weight Around The PERRIN shift knob features a heavyweight, solid steel body that is up to two times the weight of the OEM knob. Heav...

DESCRIPTION The Perrin Horn Bracket for the 2008–2014 Subaru WRX and STI provides a secure, vehicle-specific mounting solution for dual HELLA horns...

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

DESCRIPTION The Perrin Coolant Overflow Tank for the 2002+ Subaru WRX and 2004–2021 STI is a premium upgrade that replaces the factory plastic tank...

Upgrade your WRX or STI with a PERRIN Adjustable Front Swaybar for improved handling and performance. This easy suspension upgrade enhances corneri...

DESCRIPTION The PERRIN 30mm Wheel Spacers for 2015+ WRX and 2005–2021 STI with a 5x114.3 bolt pattern are the ultimate solution for aggressive whee...

DESCRIPTION The PERRIN 25mm Wheel Spacers for 2015+ WRX and 2005–2021 STI with a 5x114.3 bolt pattern are designed to give your Subaru the aggressi...

DESCRIPTION The PERRIN Driveshaft Lockdown Kit is designed to replace the OEM rubber bushings that allow unwanted driveshaft movement under hard ac...

DESCRIPTION Dial in your drivetrain feel and eliminate excess play with the Perrin Transmission Crossmember Bushing Kit for the 2008+ WRX and 2008–...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION Perrin Wheel Spacers feature a perfect fit hub centric design that makes the spacer function as a precise extension of the axle hub, gu...

DESCRIPTION The factory reverse lockout link wears out with high mileage and aggressive shifting, causing a shifter rattle. The Perrin Reverse Lock...

DESCRIPTION Under hard acceleration, the drivetrain is being twisted front-to-back from the front axle torque twist. To control this front-to-back ...

DESCRIPTION The Perrin Battery Tie Down is a quick and affordable upgrade for your Subaru. Batteries are essential for many of your vehicles functi...

DESCRIPTION Perrins pulley cover is designed to give your engine bay extra aesthetics while protecting your engine components from debris and forei...

DESCRIPTION The pinch weld jack points are easily bent and damaged during routine tasks like tire changes and car maintaince. This damage occurs fr...

DESCRIPTION The Perrin Air Oil Separator is not a catch can. Catch cans capture engine blow-by and stores it in a container, which requires constan...

DESCRIPTION The Perrin TMIC is 12% larger than the nearest competitor's core. The large core means less restriction and better cooling capabilities...

DESCRIPTION The Perrin Driveshaft Carrier Bushings replace the soft OEM rubber bushings that mount the driveshaft carrier bearing to the chassis. U...

DESCRIPTION The Perrin Cold Air Intake was designed and tested to work safely on your stock vehicle without any ECU recalibrating required. Our int...

PERRIN Wheel Spacers move your wheels and tires outwards so they are more flush with the fender--instantly give your vehicle the perfect stance. Fo...