Products

GFB 02-10+ WRX/STI Crank Pulley (Not Under-Drive)

GO FASTER ? ADD LIGHTNESS, GFB's Lightweight Pulley Kits offer sharper throttle response and faster...

GFB 04-10 WRX/STI 3 Piece Under-Drive Pulley Kit w/ Belts (Crank Alternator & Power Steering)

Go Faster ? Add Lightness, GFB's Lightweight Pulley Kits offer sharper throttle response and faster...

GFB HYBRID TMS Dual Port 01-07 Subaru WRX / 05-08 Forester XT

The Hybrid valve is back! In 1999, GFB's first Hybrid valve pioneered the dual port...

GFB Mach 2 TMS Recirculating Diverter Valve - Subaru 01-07 WRX / 02+ STi / 05-08 XT Forester

ALL THE PERFORMANCE WITH OR WITHOUT THE NOISE!, GFB's Mach 2 utilises GFB's proven TMS...

Grams Performance 02-11 Subaru WRX / 07+ STI / 07-11 Legacy 1000cc Fuel Injectors (Set of 4)

-5%

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance...

Grams Performance 02-11 Subaru WRX / 07+ STI / 07-11 Legacy 1150cc Fuel Injectors (Set of 4)

-5%

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance...

Grams Performance 02-11 Subaru WRX / 07+ STI / 07-11 Legacy 550cc Fuel Injectors (Set of 4)

-5%

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance...

Grams Performance 1600cc 02-11 WRX/ 07+ STi/ Forester XT/ 07-11 Legacy INJECTOR KIT

-5%

Grams Performance is proud to offer the most innovative high-performance fuel injectors for today's performance...

Granatelli 05-10 Subaru Impreza/Impreza Outback 4Cyl 2.5L MPG Plus Ignition Wires

-5%

Granatelli 05-10 Subaru Impreza/Impreza Outback 4Cyl 2.5L MPG Plus Ignition WiresThis Part Fits: Year Make...

Granatelli 05-10 Subaru Impreza/Impreza Outback 4Cyl 2.5L Performance Ignition Wires

-5%

Granatelli 05-10 Subaru Impreza/Impreza Outback 4Cyl 2.5L Performance Ignition WiresThis Part Fits: Year Make Model...

GrimmSpeed 02-14 Subaru WRX/STI Hella Horn Wiring Harness

GrimmSpeed 02-14 Subaru WRX/STI Hella Horn Wiring HarnessThis Part Fits: Year Make Model Submodel 2014-2015...

GrimmSpeed 03-08 Subaru Forester Hood Struts

GrimmSpeed 03-08 Subaru Forester Hood StrutsThis Part Fits: Year Make Model Submodel 2008 Subaru Forester...