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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
15% less restrictive than the original system
It is important to note that our underdrive pulley kits do NOT adversely affect the operation of the accessories
DO88 Turbo Inlet connections: 83 mm
atmospheric venting at higher loads
designed to boost power and compatible with the standard exhaust manifold and other engine components
GFB - Respons TMS - Subaru Impreza WRX / Forester 15+ Diversen 15% less restrictive than theIf your car is experiencing problems such as backfiring and stalling when using a fixed ratio atmospheric to ventilation BOV, the GFB Respons offers a solution. With the ability to adjust the ventilation ratio, you can achieve that characteristic blow off sound without the adverse effects. Like all GFB valves, the Respons utilises GFBs tried and tested TMS Technology, which ensures rapid boost recovery when changing gear and optimum throttle response,
US$ 17.50
US$ 13.95
US$ 12.95
US$ 13.95
