2008-2014 Subaru WRX

The IAG Competition Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track applic...

The IAG Street Series Oil Pan for the Subaru WRX and STI is uniquely designed and CNC machined to suit a wide range of street and track application...

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...

IAG offers our V2 Oil Pickup, Street Series Baffle and Windage Tray combined with our New Oil Pan as a complete package.About Street Series EJ Oil ...

IAG offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our New Oil Pan as a complete package. About Competition...

IAG offers our V2 Oil Pickup, Street Series Baffle and Windage Tray combined with our New Oil Pan coated with a black finish as a complete package....

IAG offers our V2 Oil Pickup, Competition Series Baffle and Windage Tray combined with our New Oil Pan finished in black as a complete package.Abou...

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...

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 ...

DESCRIPTION The Injector Dynamics ID1300-XDS fuel injectors are a high-performance, top-feed injector set built for serious Subaru builds running h...

DESCRIPTION The Injector Dynamics ID2600-XDS fuel injectors are a top-feed, high-flow injector set built for extreme fuel demand—big turbo, high bo...

DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...

DESCRIPTION These are the Grimmspeed Head to Exhaust Manifold Dual Port Gaskets. These particular gaskets see some of the highest temperatures when...

EMISSIONS SEMA Certified - SC -GRM01-0145 for listed fitments CARB Certified - EO - #D-896 for listed fitments DESCRIPTION The GrimmSpeed Ceramic ...

DESCRIPTION The OEM timing belt guides are thin, flimsy, and only have a small range of adjustment. The Faction Fab Timing Belt Guide is made of st...