TurboXS introduces the 2008 WRX and STI Cold Air Intake. As rule of thumb on a turbocharged vehicle you will want to free up the flow...

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...

Replacement overflow bottle for the WS08 FMIC.

BOV-SML Nipple and O-ring

WS08-HW-1 hardware for STI front mount intercoolers

Are the Silicone Couplers and T-bolt Clamps on your old TurboXS Front Mount Intercooler looking a bit old and busted?  Buy a complete...

The Bov-XS-Soft spring is used on applications that have low or light vacuum source cars. Recommend for vehicles with around - 8 inHg.

The Bov-XS-RFL spring is used on applications that have low or light vacuum source cars. Recommend for vehicles with around greater than...

If you are looking for a replacement o ring kit for your XS Valve. Look no further, this is the replacement o ring set for the...

Grub Screws, Nuts & Allen Wrench used to secure the Universal valves to H Adapters. 

38mm Wastegate Tube - Stainless Steel

Specifically designed for MY 2002 - 2007 Subaru WRX and STi's will also fit the 2008-2012 STI, the WS-RBV requires no adapter kit to...