Snow Performance 20011WRX - Snow Performance Vehicle Specific Boost Coolers Details

Stage-2 Water/Methanol Injection Kits

For Subaru WRX's utilizing the stock 0-5 volt output MAF sensor. Also works on STi'. The Digital Variable Control unit proportionally injects more or less water-ethanol according to input signals from the mass air flow sensor. More power over a wider range and better drivability is the result 20-percent increases in Horsepower typical.