2008-2014 STI Engine

Once you start adding go-fast performance products that increase power, torque, and boost, then you have to start upgrading your fuel system to sup...

This is the DeatschWerks DW65C Series Fuel Pump with Install Kit for the 02-14 Subaru WRX and 08+ STI. Once you start adding more go-fast modificat...

The pitch stop is designed to reduce front to back engine movement under acceleration and braking. In order to achieve maximum comfort, the factory...

The ARP Case Bolt Kit are forged from very durable materials and make for a perfect option when rebuilding an engine to hold big power.  DETAILS: ...

How many times have you lost a wrench or socket in your engine bay? Yeah, that's what I thought, too many to count. Finally, after all of these yea...

These are the GrimmSpeed High Lift Hood Struts. These hood struts have been designed to provide the hood of your vehicle support while eliminating...

You can never have too much chassis stiffness. Weight aside, the more the better. Chassis bracing maintains alignment angles and spring rates by gr...

These are the Injector Dynamics 1700cc Fuel Injectors and are an excellent option for the 02-14 Subaru WRX and 07+ STI that needs to supplement the...

ARP Head Studs are a complete part of your engine rebuilding breakfast. These are the 11mm head studs, and these are a great idea if you are rebuil...

This is the GrimmSpeed Master Cylinder Brace. This master cylinder brace is the result of countless invested hours of research to solve a prevalen...

The GrimmSpeed Radiator Hose Kit feature multi-layer silicone construction that is built to last while improving the overall cooling efficiency of ...