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After extensive development and testing
striking a balanced between street-comfort and spirited circuit driving
Every NM Eng
09 in (53 mm) for Sport Version Insert 2
Go Fast Bits Respons TMS Blow Off Valve 2008-2010+ WRX / 2005-2009 Legacy GT VAB After extensive development and testingAtmosphere venting BOV wont work on your car? Try a Go Fast Bits Respons! On the surface it may look like just another dual port blow off valve, but the Respons is actually much more than that. Featuring GFBs patented venting bias adjustment system, the Respons allows you to precisely control how much air vents from each of the two outlets. Using GFBs TMS (Turbo Management System) principal, tests show that the Respons can return the engine to peak