BOV

  • Perrin Recirculating Blow off Valve - 2015+ WRX

    Perrin Recirculating Blow off Valve - 2015+ WRX

    Add horsepower, quicker response, and reliability with the PERRIN BOV. A must-have replacement for the leaky, slow responding, and plastic OEM blow off valve. ESSENTIAL FOR PROPER PERFORMANCE During testing, it was determined that until approximately 3...

  • GFB Respons TMS Adjustable BOV - 2015+ WRX

    The TMS range from GFB is designed specifically for the purpose of turbo lag reduction and improving throttle response. Tests show TMS features can help return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears...