2015-2021 STI

Add a PERRIN Adjustable Rear Swaybar to your WRX, STI, FR-S, 86 or BRZ. Adding a swaybar is the easiest way to improve and fine tune the handling o...

The PERRIN Turbo Heat Shield is CNC formed from 304 stainless steel. The backside of the shield is cut to fit all aftermarket downpipes. It is also...

The PERRIN Rear Shifter Bushing removes the soft rubber bushing on the back of the shifter rod. This vital connection point joins the shifter mecha...

Reduce engine oil temperatures, extend engine life, and keep your horsepower consistent with a PERRIN Oil Cooler.In racing conditions engine oil te...

Subaru's stock turbo inlet tube is prone to failure; we personally experienced two on our 2002 WRX, resulting in a noticeable decrease in performan...

Subaru's stock turbo inlet tube is prone to failure; we personally experienced two on our 2002 WRX, resulting in a noticeable decrease in performan...

Subaru's stock turbo inlet tube is prone to failure; we personally experienced two on our 2002 WRX, resulting in a noticeable decrease in performan...

In racing conditions engine oil temperature skyrockets. This causes decreased engine performance and reduces the oil's ability to properly lubricat...

The Perrin top mount intercooler provides powerful cooling capabilities for your Subaru STI, featuring durable cast aluminum end tanks and a dense ...

Gain a boost in hp and sporty style with the PERRIN Cold Air Intake system. Ensuring correct MAF alignment and tube dimensions are integral for pre...

Gain a boost in hp and sporty style with the PERRIN Cold Air Intake system. Ensuring correct MAF alignment and tube dimensions are integral for pre...

Gain a boost in hp and sporty style with the PERRIN Cold Air Intake system. Ensuring correct MAF alignment and tube dimensions are integral for pre...

Gain a boost in hp and sporty style with the PERRIN Cold Air Intake system. Ensuring correct MAF alignment and tube dimensions are integral for pre...

  The Perrin Subaru Wheel Spacers, with 56mm Hubs, are dual drilled for a universal Subaru fitment and constructed from lightweight aluminum. Exten...

  Perrin Subaru's 5x114.3/5x100 3mm Slip-On Wheel Spacers - w/ 56mm Hubs (No Studs) require no extended studs for a simple, slip-on design that is ...

Upgrade your STI reverse lockout lever with a the PERRIN smooth glide reverse lockout lever.The PERRIN Performance reverse lock out lever combines ...

Add drivetrain rigidity and precision to throttle input to your Subaru with the PERRIN Differential Lockdown Kit. The PERRIN rear diff lock down lo...

Replace the ugly OEM plastic dipstick handle with the PERRIN Dipstick Handle. Made from CNC machined aluminum and featuring a black, blue, pink, ne...

Replace the ugly OEM plastic dipstick handle with the PERRIN Dipstick Handle. Made from CNC machined aluminum and featuring a black, blue, pink, ne...

Replace the ugly OEM plastic dipstick handle with the PERRIN Dipstick Handle. Made from CNC machined aluminum and featuring a black, blue, pink, ne...

Replace the ugly OEM plastic dipstick handle with the PERRIN Dipstick Handle. Made from CNC machined aluminum and featuring a black, blue, pink, ne...

Replace the ugly OEM plastic dipstick handle with the PERRIN Dipstick Handle. Made from CNC machined aluminum and featuring a black, blue, pink, ne...