Blow Off Valves

The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By "staging" the two venting outlets, at low valve lifts most of the air is...

The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port design, which was so successful the technology has since been adopted by most other brands. By "staging" the two venting outlets, at low valve lifts most of the air is...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it...

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as the ability to withstand boost pressures of 100psi+. Put simply, it...

Perrin 2015+ Subaru WRX Blow Off Valve Kit Recirculation OnlyThis Part Fits:YearMakeModelSubmodel2015-2020SubaruWRXBase2015-2020SubaruWRXLimited2015-2020SubaruWRXPremium

Perrin Subaru 08-14 WRX Red Blow Off Valve kit Recirculation OnlyThis Part Fits:YearMakeModelSubmodel2008-2014SubaruImprezaWRX STI2011-2014SubaruImprezaWRX STI Limited2010SubaruImprezaWRX STI Special Edition2010-2012SubaruLegacy2...

Perrin Subaru 02-07 WRX / 04-15 STI Red Blow Off Valve kit Recirculation OnlyThis Part Fits:YearMakeModelSubmodel2002-2007SubaruImprezaWRX2006-2007SubaruImprezaWRX Limited2004-2014SubaruImprezaWRX STI2007,2011-2014SubaruImprezaWRX STI...

Perrin Subaru 02-07 WRX / 04-15 STI Black Blow Off Valve kit Recirculation OnlyThis Part Fits:YearMakeModelSubmodel2002-2007SubaruImprezaWRX2006-2007SubaruImprezaWRX Limited2004-2014SubaruImprezaWRX STI2007,2011-2014SubaruImprezaWRX STI...

Adding a vent to atmosphere Blow Off Valve on the Polaris RZR turbo system is a great way to improve throttle response and hear that awesome blow off valve turbo sound. With an ECU tune and higher boost levels, the Polaris RZR can gain 10-15 percent more...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable exhaust port system, providing superior venting of excess pressure. Easy to install and set up. An ideal...

Redesigned from the ground up, the new Vee Port Pro suit Subaru is 20% smaller and 33% lighter than its predecessor. Features a unique, variable exhaust port system, providing superior venting of excess pressure. Easy to install and set up. An ideal...

Full recirculating BOV. The Plumb Back system recirculates all excess pressure back into the intake system. Great for enthusiasts who do not want to be noticed but want the performance and reliability benefits of a quality BOV.Installation...