GFB Mach 2 TMS Recirculating Diverter Valve for Nissan Juke 1.6 DIG-T

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...

GFB Mach 2 TMS Recirculating Diverter Valves for 2017+ Kia Stinger 3.3T V6

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...

GFB Pulley Kit (Crank / Alternator / Water Pump) for 13+ BRZ / FR-S - 2016

GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet...

GFB Replacement Belts for Subaru Pulley Kits - 2100

GFB Replacement Part for Subaru Pulley Kits - Belt kit to suit pulley kits 2002 2003 & 2010 (2 belt

GFB Respons Bypass Valve for 03-06 Evolution Evo 8 & 9 - T9033

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...

GFB Respons Bypass Valve for 08+ WRX / 09+ Forester XT / 05-09 Legacy GT - T9001

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...

GFB Short Shift Kit for 02-07 Subaru WRX - 4001

True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift throw is fully adjustable whilst retaining the stock...

GFB SV52 High Flow BOV - Rated at Over 300psi - T9052

Strength and reliability is the primary factor, something that a diaphragm simply cannot match in a high-boost BOV environment. Diaphragms have their place (we use them in our wastegates), as they...

GFB TMS Respons Blow Off Valve for 07+ Mazdaspeed 3 / 06-07 Mazdaspeed 6 - T9002

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...

GFB TMS Respons Blow Off Valve Kit for 2017+ Kia Stinger 3.3T V6

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...

GFB TMS Respons Twin Valve Blow Off Valve for 09+ Nissan GT-R - T9005

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...

GFB Under-Drive Crank Pulley w/ Belt for Evolution Evo 4-9 - 2011

GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster acceleration by significantly reducing the rotating mass at the engine. Made from a single billet...