aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo

Silver 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. Silver Bullet Throttle Body Spacer Kit Audi A4 (B8) 09-16 I4-2.0L (t) Audi A4 (B8) 09-16 I4-2.0L (t) Fitment: Audi A4 Base 2009 to 2014 Audi A4 Cabriolet 2009 Audi A4 Premium 2015 to 2016 Audi A4 Premium Plus 2015 to 2016