Take Control of your Boost
For immediate despatch.
BUY IT NOW
Simple and Reliable Boost Control
GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and offer faster acceleration through significant weight reduction on the crankshaft.
GFB's Short Shift kits are like no other. Until you feel the action of one for yourself, you won't believe the difference!
Single Outlet Valve for Recirc or Atmosphere Venting
Dual Outlet Valve for Combined Recirc and Atmosphere Venting - Three Valves in One!
The Evolution of the Dual-Outlet BOV - With or Without Noise
Control the sound of the BOV from inside the cabin
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Subaru Impreza GG 2.5 WRX AWD
