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

Replacement gasket for TurboXS Mazda RX8 Race Pipe (RX8-RP) or Cat Pipe (RX8-CP)?

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

Replacement Donut Gasket for TurboXS Mazda RX8-CBE to STOCK Catpipe?

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...

Replacement Donut Gasket for TurboXS Mazda RX8-CBE to TurboXS Racepipe or TurboXS Catpipe??? NOT FOR USE WITH STOCK OR OTHER...

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

TurboXS RX8 Catback Exhaust is a high performance, full 3" diameter, all 304 Stainless Steel system providing dramatically increased...

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...

The TurboXS Turboback Exhaust for 2002-2007 WRX and STI packs a powerfull punch. Offering huge power gains over stock and a awesome...

The TurboXS SML Hybrid Blow Off Valve is our newest blow valve and is designed specifically to replace the blow off found used on stock...