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  • GFB Mach 2 Diverter Valve / BOV

    $319.00 – $615.00
    GFB MACH 2 Diverter Valve / BOV
    Using GFB’s TMS technology the Mach 2 can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears (more information below).
    Select options This product has multiple variants. The options may be chosen on the product page

  • Silvia S14 Blow Off Valve

    $319.00 – $599.00

    GFB Silvia S14 SR20DET Blow Off Valve

    Using GFB’s TMS technology can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears.

    Select options This product has multiple variants. The options may be chosen on the product page

  • Silvia S15 Blow Off Valve

    $319.00 – $599.00

    Nissan Silvia S15 Blow Off Valve.

    Using GFB’s TMS technology can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears.

    GFB BOV’s are available in a range of bolt-on kits for your Nissan Silvia S15 and when we say “bolt-on”, that’s exactly what we mean! No additional adaptors, parts or vehicle modifications are required – simply remove the factory bypass valve and replace it with your desired GFB BOV – it’s that simple!

    Select options This product has multiple variants. The options may be chosen on the product page