aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo - 46-39002 fits_1999-2005`Volkswagen`Jetta the system channels them through

the system channels them through our valved muffler

Stainless Steel T-Bolt Clamps

This premium interior enhancement replaces the standard satin chrome with an aggressive motorsport-inspired dry carbon fiber finish—bringing a sleek race-ready feel to your daily drive

The mufflers has a polished finish for ultimate corrosion resistance

CARB EO unavailable Fits E-Torque Equipped Models Supercedes 46557D

aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo - 46-39002 fits_1999-2005`Volkswagen`Jetta the system channels them throughSilver 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.