Blow Off Valves

GFB 91-98 Nissan Silvia / 90-96 Nissan 300ZX (requires 2 kits) TMS Respons Blow Off Valve Kit

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow-off sound without having to put up with...