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aFe Magnum Force Cold Air Intakes Part #51-81012-B Customer Reviews

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1 Customer Review

BMW 328i

Reviewed by Patrick M (GIG HARBOR, WA) Reviewed for a 2011 BMW 3-Series — Feb 25, 2016 8:16 PM

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This was installed on my BMW 328i X-drive. I notice a nice boost in power/efficiency. My car has a little more noise at 2900 RPM +, which I think is really cool.

aFe Magnum Force Cold Air Intakes - 51-81012-B

Stage-2 Sealed Intake System
  • $159.99 - $799.00
    • Save 10% Use Promo Code special10!
  • Get a Free aFe Gloves With Purchase - A $17.85 Value!
  • Get a Free aFe Hat With Purchase - A $15.75 Value!
  • Free Shipping
  • Ships Between 2/27 - 3/01
  • What Do You Drive?


  • Style:
    With black housing cover, with Pro Dry S Filter (grey)
  • Part #:
  • Estimated power gains: 12 hp and 15 ft. lbs. torque
  • Includes an aFe oil-free filter, synthetic media requires no oil and is easy to service
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