GFB Mach 2 Recirculating Plumb Back BOV Blow Off Valve 35mm/30mm Brushless Fuel Pump Controllers fluted to ease removal and

fluted to ease removal and painted to resist rust

you will get a Check Engine Light due to the factory Active Valve not function properly

1994+Subaru WRX

The Pro DRY S performance air filter features 3-layers of progressively finer mesh synthetic "oil-free" media and is constructed with 100% polyurethane for long life and multiple cleaning cycles

This system is comes with an aggressive black 304 stainless steel dual tip to finish off the exhaust

GFB Mach 2 Recirculating Plumb Back BOV Blow Off Valve 35mm/30mm Brushless Fuel Pump Controllers fluted to ease removal andMACH 2 THE SIMPLE & ESSENTIAL MOD FOR 30% QUICKER BOOST Utilising Proven TMS Technology To Ensure Dependable Boost Holding And Optimum Throttle Response. If you don't need the patented venting bias adjustment feature of the Respons or Deceptor Pro, the Mach 2 is the answer. 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).