aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Floor Mats Chevrolet Corvette Z06 2002

Chevrolet Corvette Z06 2002

and Ford F-150 V8 2011-17

Jeep Grand Wagoneer Base 1985

Ford Expedition EL XLT 2016

They require cutting the factory exhaust for installation

aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Floor Mats Chevrolet Corvette Z06 2002Silver 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 eliminating the annoying whistle found in other helix only throttle spacers. Silver