aFe 15-19 Subaru Outback H6 3.6L Silver Bullet Throttle Body Spacer Kit Ford BLOX Racing Dual Valve Springs

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aFe 15-19 Subaru Outback H6 3.6L Silver Bullet Throttle Body Spacer Kit Ford BLOX Racing Dual Valve SpringsThe Serrated Helix combination design creates intake turbulence in the combustion chamber. This turbulence breaks up the fuel which creates a more complete combustion cycle increasing horsepower, torque and improving throttle response. The Serrated Helix combination design also reduces intake whistle that occurs with Helix only designs. All Silver Bullet Throttle Body Spacers are constructed from 6061 T6 billet aluminum precision machined for light