aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Suspension>Sway Bar Endlinks They provide outstanding levels of

They provide outstanding levels of filtration efficiency and capacity

This air intake system was developed to accommodate the engine's factory emissions control devices including the mass airflow sensor

reducing the chance of suction side cavitation and vapor lock

View the 21-485P vehicle applications to determine the legal status for each vehicle

alignment tool and pilot bearing (if needed)

aFe Silver Bullet Throttle Body Spacers TBS Ford F-150/Mustang GT 2011-12 V8-5.0L Suspension>Sway Bar Endlinks They provide outstanding levels ofSilver 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.