aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo 2001-nissan-sentra-esi1442461 The cold side of the

The cold side of the system features 2

1953-1955 Cadillac Eldorado Base 5

1997-2004 Jeep Wrangler Sahara 4

Bolt-On Installation

aFe Silver Bullet Throttle Body Spacers TBS Audi A4 (B8) 09-16 I4/2.0L Turbo 2001-nissan-sentra-esi1442461 The cold side of theSilver 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.