2008-2014 STI Engine

Torque Solution Billet Thermostat Housing for Subaru EJ Engines is the perfect complement to add to your engine build to give it that extra persona...

Torque Solution Top Feed Fuel Rails are a must have for high horsepower applications and a perfect complement to your high flow fuel injectors. Our...

Aeromotive Inc. is a true high performance aftermarket manufacturer specializing in fuel delivery and fuel delivery components. Utilizing aerospace...

Aeromotive's High Flow Billet Fuel Rails provide 3,000 HP of flow and a simple, bolt-on installation. Compatible with 2004-2014 Subaru 2.0L WRX, th...

The HKS Billet Oil Cap Most Subaru Models offers a direct replacement to the factory oil cap, with superior durability. Its billet aluminum constru...

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 Top Feed Fuel Rail DIY Kit is ideal for customers wanting extensive customization. It features 0.520" inside diameter channels to allow ...

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...