Application Model Years: 2004-2006 STI,LGT,FXT,BAJA (All Side Feed Injector 2.5L Engine).  Please go to the Download Section for the to...

All 304 Stainless Steel construction with 3.5 inch double walled rolled tip and now with 3 inch piping. The FXT-RMA is a direct...

Application Model Year: 2002-2005 WRX.  Please go to the Download Section for the to the Download Section for the Instruction Manual,...

The largest and best FMIC for your 2013-15 Gencoupe!     One of the main causes of inconsistent horsepower output from your Gencoupe is...

You bought the Mazdaspeed 3 instead of the NA Mazda 3 for a reason. Performance. So why not make your MS3 look and sound as fast as it...

TurboXS RFL Catback Exhaust for the Cobalt SS TC is just that "Really Fuckin' Loud".  As with anything we put our "RFL" tag on, this part...

The HKS kit mounts the blow off valve on the throttle body nicely. Stainless steel T bolt clamps and multi ply silcone used to keep a...

Allows you to mount a TurboXS BOV-H or BOV-H-RFL to an intercooler pipe that is flanged for an HKS Super Sequential Valve. Blow Off Valve...

Application Model Year: 2006-2011 WRX / 2007+ STI/LGT/FXT/BAJA; Outside of the US: 2006+ Top Feed Injector Vehicles only.  Please go to...

The Genesis 2.0T Blow Off Valve Kit is a complete bolt on valve. Which allows you remove the factory bypass valve and replace it with our...

TurboXS Internal Wastegate Bracket is designed to fit IHI Turbochargers when switching to an External Wastegate configuration. This...

The MS3-RBV was designed for those who want a replacement recirculating bypass valve that can handle any boost you throw at it.  Unlike...