AFE Silver Bullet TBS

Silver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while el iminating the annoying whistle found in other helix only throttle spacers. aFe Silver Bullet Throttle Body Spacers Mazda 3 14-18 L4-2.0L/2.5L Silver Bullet Throttle Body Spacer Kit Mazda 3 14-18 L4-2.0/2.5L Silver Bullet Throttle Body Spacer Kit Helps Air/Fuel Charge Burn Completely Durable 6061-T6 Billet Aluminum 2 Year Limited Warranty Serrated/Helix Design Throttle Body Spacer Creates Turbulence