2008-2014 STI Engine

Secure your battery in style with the Perrin Battery Tie Down for 2002-2022 WRX, 2004-2021 STI, and 2013+ BRZ/FRS/86. Crafted for performance. DETA...

Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop Mount. Subarus with power and drivetrain upgrades will need PER...

The ultra-strong PERRIN Strut Tower Brace eliminates strut tower flex and is an excellent accent piece for your engine bay. DETAILS: PERFORMANCE ...

Perrin's Brake Reservoir Cozy is a universal black cover with a white logo. It's designed to provide a protective layer for brake reservoirs, allow...

This PERRIN Performance Junction Block allows you to customize your fuel system by selecting your own fuel lines and connectors to configure your s...

The Perrin TMIC Coupler Kit offers a sophisticated touch to your engine bay. This sturdy replacement for the factory coupler includes a 5-ply fiber...

The Perrin TMIC Coupler Kit offers a sophisticated touch to your engine bay. This sturdy replacement for the factory coupler includes a 5-ply fiber...

The Perrin TMIC Coupler Kit offers a sophisticated touch to your engine bay. This sturdy replacement for the factory coupler includes a 5-ply fiber...

The OEM BOV's tiny outlet limits the boost-venting rate and may result in leaks. The PERRIN BOV has a much larger adjustable outlet, and 1.225" inl...

The OEM BOV's tiny outlet limits the boost-venting rate and may result in leaks. The PERRIN BOV has a much larger adjustable outlet, and 1.225" inl...

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...

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...

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

Enhance the top of your engine with the stylish aluminum PERRIN Belt Cover! This pulley cover is a direct replacement of the OEM plastic pulley cov...

Transform the aesthetic of the engine bay with one of Perrin's Fender Shroud Sets. Optimized for a sleek, accented aesthetic, these shrouds extend ...

Perrin Fender Shrouds provide a uniform and aesthetically-pleasing look from the headlight to the firewall, revamping the engine bay of any vehicle...

This PERRIN radiator shroud is crafted from 6061 aluminum and finished with a Hyper Pink powder coating. Simple installation makes this piece a gre...

This PERRIN radiator shroud is crafted from 6061 aluminum and finished with a neon yellow powder coating. Simple installation makes this piece a gr...

This Red crank pulley from Perrin has been precisely designed to reduce rotational mass for rapid revs, better throttle response, and improved perf...

This Perrin crank pulley has been optimized to reduce engine rotational mass, promoting faster revs and enhanced response while maximizing engine p...