aFe Silver Bullet Throttle Body Spacer 11-12 Ford F-150 V6 3.5L (tt) EcoBoost Color:Silver This 4-piece designed cat-back system

This 4-piece designed cat-back system utilizes a less-restricting

This strut bar is easy to install using the existing factory mounting points and comes with 6 washers

This air intake system was developed to accommodate the engine's factory emissions control devices including the valve cover breather hose

P/N 11542 Includes: 340 Stealth Pump

Can be used with E85 and alcohol

aFe Silver Bullet Throttle Body Spacer 11-12 Ford F-150 V6 3.5L (tt) EcoBoost Color:Silver This 4-piece designed cat-back systemSilver 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.