aFe Power F150/mustang gt v8-5.0l, throttle body spacer

The aFe Silver Bullet throttle body spacers creates turbulence in the air flow at the point just prior to the 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 eliminating the annoying whistle found in other helix only throttle spacers. Add this spacer to your Mustang or F-150 and experience the seat-of-the-pants gains.