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...

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...

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...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...

Massive Performance, Compact Size.• Industry-first diaphragm design - the WGA’s Silicone/Nomex diaphragm uses a new bead retention design that achieves the largest effective area with the smallest possible outside diameter. This keeps the overall size of...

Boasting a repeatable and stable boost curve, quick rise rate, and unbeatable value, GFB's Atomic has earned a reputation as being one of the most reliable and effective manual boost controllers on the market. It is important to note that the Atomic does...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015+ Subaru WRX Front Mount Intercooler will help keep your intake temps lower and maintain your FA20 WRX’s maximum power output no matter the...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015+ Subaru WRX Front Mount Intercooler will help keep your intake temps lower and maintain your FA20 WRX’s maximum power output no matter the...

Whether you live in a hot climate region, enjoy drag racing, or long high speed pulls on airstrips the 2015+ Subaru WRX Front Mount Intercooler will help keep your intake temps lower and maintain your FA20 WRX’s maximum power output no matter the...

The AMS EVO X Upper Intercooler Pipe (UICP) is a direct replacement for your factory upper intercooler pipe. Made from lightweight 2.5? mandrel bent aluminum tubing this pipe includes features such as a smooth, non-turbulent 2? ? 2.5? transition for...

The AMS EVO X Upper Intercooler Pipe (UICP) is a direct replacement for your factory upper intercooler pipe.  Made from lightweight 2.5” mandrel bent aluminum tubing this pipe includes features such as a smooth, non-turbulent 2” – 2.5” transition for...

AMS Performance 08-15 Mitsubishi EVO X Front Mount Intercooler w/Modular Cast End Tanks & LogoInstallation InstructionsThis Part Fits:YearMakeModelSubmodel2015MitsubishiLancerEvolution Final Edition2008,2010-2015MitsubishiLancerEvolution...