aFe Power Sprint Booster Power Converter 01-17 BMW 1/2/3/4 Series (AT/MT) Air Intake Systems>Cold Air Intakes this can be especially frustrating

this can be especially frustrating

Performance gains will be more noticeable as more upgrades are added to the vehicle

X-Pipe includes resonators to eliminate unwanted resonance or noise at a particular RPM's

With the 6-pad spring-centered race disc

aFe Power Sprint Booster Power Converter 01-17 BMW 1/2/3/4 Series (AT/MT) Air Intake Systems>Cold Air Intakes this can be especially frustratingSilver 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 u nique serrated helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.