2015-2021 STI

SPL Parts Titanium Series adjustable Rear Traction Rods (RTR) increase stability and response by eliminating bushing deflection under hard accelera...

Change the look of your 2015+ WRX & STI's engine bay with the PERRIN Fender Shroud Set. Crafted from CNC laser cut 6061 aluminum coated hyper p...

Add a unique look to your 2015+ WRX and STI engine bay with this Perrin Black Fender Shroud Set. It features a signature pulley cover design with a...

Change the look of your 2015+ WRX & STI's engine bay with the PERRIN Fender Shroud Set. Crafted from CNC laser cut 6061 aluminum and available ...

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet oil fill cap from PERRIN.COMPLETE YOUR ENGINE BAYThe PERRIN Aluminum oil cap ...

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet oil fill cap from PERRIN.COMPLETE YOUR ENGINE BAYThe PERRIN Aluminum oil cap ...

Replace the ugly yellow plastic OEM oil fill cap with the sexy billet oil fill cap from PERRIN.COMPLETE YOUR ENGINE BAYThe PERRIN Aluminum oil cap ...

This CSF 1-Row 31mm High-Performance Aluminum Radiator is specifically designed for use with manual transmission vehicles. CSF radiators are expert...

Experience greater cooling efficiency with the CSF 1-Row 31mm High-Performance Aluminum Radiator. Enhanced with CSF's innovative “B-Tube” technolog...

Equip your 2008-2021 WRX/STI with CSF's 2-Row 42mm High-Performance Aluminum Radiator. CSF manufactures the most advanced and efficient radiator co...

The PERRIN clutch line is designed to fit 2015-2021 Subaru WRX and STI models and features a stainless braided teflon hose with a protective vinyl ...

The Perrin Pitch Stop Mount in Hyper Pink is designed for WRX and STI cars from the model years 2002 to 2023. With its unique design, it reduces dr...

Whiteline's 'MOTORSPORT ONLY' Anti Geometry Kit for 2011 Subaru WRX STI (excludes WRX) replaces the front control arm rear vertically mounted bushi...

Get the best performance and handling from your WRX / STI with the SuperPro Rear Upper Control Arm Inner Bushing Kit. The kit features SuperPro bus...

Improve the handling and extend the life of your WRX, STI, or BRZ, with SuperPro’s Rear Trailing Arm Front Bushing Kit. This kit offers increased c...

This SuperPro Rear Trailing Arm Rear Bushing Kit improves the handling, directional stability, and braking performance of 2015-2023 WRX, 2015-2021 ...

If you're in the business of making your car handle better, then have a look at the SuperPro Control Arm Kit. The adjustment range on these...

Up until now most of the rear end links available for this application have either been spongy double urethane endlinks that didn't perform...

Whiteline's Anti Geometry Kit replaces the front control arm rear vertically mounted bushing and featuring low compliance synthetic elastomer with ...

The Super Pro Control Arm Kit is designed to enhance the handling performance of your vehicle. It includes rear control arms with premium bushings...