2008-2014 Subaru WRX

DESCRIPTION The GrimmSpeed V2 Bypass Valve received many upgrades such as a redesigned the internal piston to eliminate the potential failure point...

IAG 550 EJ25 2.5L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that n...

LED technology usually has less current draw than the halogen bulbs they replace. This causes the turn signals to "hyperblink" or blink really fast...

GREATER OIL CAPACITY The IAG Performance EJ Competition Series Oil Pan features precision CNC machining and an advanced design for superior perform...

GREATER OIL CAPACITY The IAG Performance EJ Competition Series Oil Pan features precision CNC machining and an advanced design for superior perform...

INCREASED CAPACITY The IAG Performance EJ Street Series Oil Pan for the Subaru WRX, STI, LGT and FXT is uniquely designed and CNC machined to suit ...

The IAG Unequal Length Headers are the perfect way to add more performance to your Subaru WRX STI and still keep the iconic "Boxer Rumble." The hea...

GET THE PACKAGE DEAL The IAG V2 Oil Pickup, Street Series Baffle, Windage Tray, along with our New Oil Pan is now available as a complete package. ...

COMPLETE COMPETITION SERIES PACKAGE IAG now offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our Competiti...

EVERYTHING YOU NEED, IN ONE EASY PACKAGE IAG now offers our V2 Oil Pickup, Street Series Baffle and Windage Tray combined with our Street Series Oi...

COMPLETE COMPETITION SERIES PACKAGE IAG now offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our Competition Oil ...

Here, you are looking at the Injector Dynamics Fuel Injector PnP Adapter USCAR to Denso Adapter. This is available for separate purchase for those ...

DESCRIPTION We know that many of you replace all of your exhaust gasket at the same time while installing aftermarket exhaust parts on your car. We...

DESCRIPTION These are the GrimmSpeed TGV to Engine Gaskets. If you need to replace your OEM gaskets, then the GrimmSpeed units make for a quality r...

A perfect solution to pesky problems - it's what you expect from GrimmSpeed! Exhaust leaks seem to be an all-too-common issue with most modded Suba...

Please note: This item is currently made-to-order.  LowerClass Garage Front Chassis Brace Looking to increase the aggression of your front end? The...

AG PTFE FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing the IA...

IAG PTFE FLEX FUEL SYSTEM KIT W/ AEROMOTIVE FPR, IAG FUEL RAILS FOR 08-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY When designing ...

IAG PTFE FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY Whe...

IAG PTFE FLEX FUEL SYSTEM KIT W/ ID INJECTORS, AEROMOTIVE FPR, IAG FUEL RAILS FOR 2008-14 WRX, 08-21 STI FUEL DELIVERY MADE EASY ...

SAFEGUARD YOUR SUBARU The IAG Performance Air / Oil Separator (AOS) is a smart upgrade for your Subaru. Developed through years of meticul...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built 550 Subaru EJ25 Long Block Packages are a complete, valve cover to valve cover...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover t...

A "DROP-IN" SOLUTION The IAG Performance Hand-Built Subaru EJ25 Closed Deck Long Block Engine Packages are a complete, valve cover t...

The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

The Process West range billet manifolds is a no holds barred manifestation of what is possible under the hood of a WRX/STI when perfect aesthetics ...

Stay Ahead Of Your Competition With The AMS Subaru WRX / STI Intake Manifold! The AMS Subaru Intake Manifold was designed to outperform the competi...

P2M rear upper control arms for the Subaru WRX can be useful for extreme negative camber settings on the street. Combined with full adjustable rear...

The Racer X Fabrication rear upper control arms for the 2008+ Subaru WRX / STI are the best option for adjusting camber on the rear of your vehicle...