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The GFB Respons blow-off valve kit for 1994–2002 Nissan Silvia S14/S15 allows continuous adjustment of venting bias to eliminate backfiring and stalling associated with fixed-atmosphere BOVs. Twist the ring to vary between full recirculation and full atmosphere for your preferred sound and behavior. GFB’s TMS technology helps ensure rapid boost recovery and improved throttle response even under high boost.
GFB 94-02 Nissan Silvia S14/S15 TMS Respons Blow Off Valve Kit
