Subaru

GFB Lightweight Pulleys For BRZ/FR-S/86 Like all GFB lightweight pulleys, these begin life as a single 6061-T6 aluminium alloy billet, which is the...

It might be hard to imagine how reducing the mass of a pulley makes a car go faster, but accelerating a heavy factory pulley from say 3000-7000 RPM...

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 op...

Blow off sound not to your taste? Want something as “sleeper” as possible? Don’t want your partner to know you’ve stuck a turbo on the daily (again...

Now You Can Control The Sound Of The BOV From Inside The Cabin!So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes t...

True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift thr...

Install a GFB Non-underdrive light-weight under-drive pulley kit and get better throttle response and more power! How do they do this? 1. Less weig...

One of the ways that you can improve the response in your engine is by adding a lightweight pulley set. Lightweight pullies have less rotational ma...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...

Now You Can Control The Sound Of The BOV From Inside The Cabin!So how much more can you do with a blow-off valve? Well, the Deceptor Pro II takes t...

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...

Control the sound of your BOV "ON-THE-FLY." Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you'r...

The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previou...

The FA24 engine in the 2022+ WRX now uses an electronically controlled factory diverter in place of the pneumatic bypass valve found on all previou...

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 op...

The Go Fast Bits TMS Respons Hybrid Blow Off Valve makes for an excellent upgrade over the stock blow-off valve to hold more boost and to have a qu...