aFe Throttle Body Spacer BMW E39 E60 E63 V8 Scion 5" staggered

5" staggered

Low restriction mufflers and resonators are carefully designed to reduce weight and meet State noise restriction standards

A stiffer caliper on your LGT means improved performance without added vibration

-Dyno-tuned for maximum horsepower and torque gains

aFe Throttle Body Spacer BMW E39 E60 E63 V8 Scion 5" staggeredSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque +5 hp, +2. 5 lbs ft 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