aFe Silver Bullet Throttle Body Spacers TBS Ford F-150 97-10 V8-4.6 97-03 V8-5.4L - 46-33001

If you want to improve gas mileage but still increase horsepower and torque then the aFe Silver Bullet Throttle Body Spacer is what you need! aFe'signed this Throttle Body Spacer to mix the air to fuel ratio thoroughly by twisting the incoming air which will improving MPG while cruising and provide a increase in horsepower and torque.

Features:

• Increase in MPG
• Improved throttle response
• No annoying whistle
• Increase in horsepower and torque
• High quality billet aluminum construction

• Ford, F-150, V8 4.6L, 1997-2010
• Ford, F-150, V8 5.4L, 1997-2003