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aFe Silver Bullet Throttle Body Spacer; Billet Aluminum; Serrated/Helix Combination; BMW 328I

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Part #: 46-31009
Notes: Silver Bullet Throttle Body Spacer
Billet Aluminum
Serrated/Helix Combination
MSRP: $368.80
Your Price: $295.00
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All Fitments

Year Model SubModel Cylinders Liter Aspiration Eng Desg. Fuel Notes
2012 - 2013 328I ALL L4 2.0 ALL ALL ALL

Product Description

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.

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