aFe Silver Bullet Throttle Body Spacers TBS 22-23 Toyota GR86 H4-2.4L - Orange

The 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.