aFe Throttle Body Spacer BMW 135i 335i 535i (N54) Honda 5 and Gen 3) to

5 and Gen 3) to allow for a vacuum/boost port for installing your boost gauge or aftermarket diverter valve

A Mishimoto Oil Catch Can will solve all these problems and give you the added security knowing that your performance parts are safe from harmful oil

The ½ inch thick flanges offer a secure fit along with the factory placement exhaust hangers

If you do not have a stock overdrive crank pulley please specify in the order notes so we can insure you receive the correct size belt

the faster your engine is relieved of excessive engine heat

aFe Throttle Body Spacer BMW 135i 335i 535i (N54) Honda 5 and Gen 3) toaFe Silver Bullet throttle body spacers for the 135 355 create turbulence in the air flow at the point just prior to 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