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The GFB Respons blow-off valve kit for 2006–2010 Mazdaspeed 3/6 and 1990–1994 Mitsubishi Eclipse lets you tune how much boost air is recirculated or vented to atmosphere. Twist the adjustment ring to move from quiet recirculation to a pronounced venting sound while avoiding backfiring and stalling common with fixed-ratio valves. GFB's TMS technology promotes fast boost recovery and improved throttle response.
GFB 06-10 Mazdaspeed 3/6 / 90-94 Eclipse TMS Respons Blow Off Valve Kit
