aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo Suspension>Air Springs Each kit comes complete with

Each kit comes complete with all the parts needed for a successful installation

Fits 1998 1/2-2004 DOHC Ford Mustang Cobra

superb pressure control and legendary durability

View the 21-836WR vehicle applications to determine the legal status for each vehicle

1/8' NPT gauge port

aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo Suspension>Air Springs Each kit comes complete withSilver 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.