Forced Induction

GFB Diverter Valve ATMO DV+ 2.0T FSI & TSI VAG Applications (Direct Replacement)

Other versions of the VTA are designed for use on cars that do not have any kind of factory-fitted diverter valve. Vehicle manufacturers have deleted the troublesome solenoid type diverter valve from some of the newer models, but this leads to turbo...

GFB VTA Valve 2016+ Ford Focus RS

VTA BOVs vent to atmosphere to make the signature turbo blow-off sound, where the DV+ recirculates the air to keep it quiet., Each valve in the VTA range is designed specifically for the applications we list them for, ensuring the best fit and...

GFB HYBRID TMS Dual Port 03-09 Subaru Legacy GT

ALL THE PERFORMANCE WITH THE NOISE! 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...

GFB HYBRID TMS Dual Port (33mm Inlet/Outlet) Mitsubishi EVO I-X

ALL THE PERFORMANCE WITH THE NOISE! 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...

GFB ATOMIC Manual Boost Controller

It is important to note that the Atomic does NOT use a "ball-and-spring" system like others on the market, for very good reason. The ball-and-spring system is an attempt to increase the boost rise rate by preventing pressure from reaching the wastegate...

GFB Screw-In Plug (screws into any GFB Trumpet or plumb-back outlet. Valves manufactured before 2003

A Screw-In Plug (Screws Into ANy GFB Trumpet or Plumb-Back Outlet, Except Valves Manufactured Before 2003)

GFB Whistling Trumpet (suits all valves)

The 5702 can be used in place of the standard trumpet on all GFB valves, and will make the whistling sound more readily than the 5701 (high boost and RPM is required to get the whistle from a 5701), and at a slightly higher pitch.? Like the 5701 however,...

GFB Whistling Trumpet (only for Stealth FX and WRX Hybrid)

The 5701 can be used in place of the standard trumpet on GFB valves (Part numbers T9003 & T9503), and will make a whistling sound. However, it is necessary to run the valve so that all (or most) of the air vents through the trumpet ? Respons valves will...

GFB 33mm Hose Plug

A 33mm Hose Plug

GFB 30mm Hose Plug

A 30mm Hose Plug

GFB 09+ Nissan GTR TMS Respons Twin Valve Blow Off Valve Kit

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...

GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit

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...