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K&N 57 Series FIPK Air Intake (50-State Legal) Part #57-1003 Customer Reviews

Average Rating

5 Customer Reviews

K&N CAI - thumbs up

Reviewed by Eric S (AUSTIN, TX) Reviewed for a 2004 BMW 3-Series — Aug 01, 2017 10:06 AM

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Improved throttle response. Slight but noticeable HP & torque gains. Throatier engine sound. $69.20 promo savings + $25 K&N rebate = a $346 CAI for $251.80. Can't beat that. Seems as good as the aFe CAI I had on my prior E46 M3.

Good!

Reviewed by John W (APTOS, CA) Reviewed for a 2003 BMW 3-Series — Apr 04, 2016 8:19 PM

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Very Good!

First week of install and drive

Reviewed by Dave N (Colorado Springs, CO) Reviewed for a 2005 BMW 3-Series — Dec 24, 2010 3:54 PM

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Overall, very good cold air intake system. In my M#, install took a bit, but not too difficult. Instructions were pretty spot on. Some angles to get in and tighten and fit were a pain. Instead of a metal heat shield, I would prefer to have a composite heat shield so air stays cooler even when engine is at temp. I would pay for another composite heat shield if they offered it.

Mr

Reviewed by Pfc Brian A (Fort Drum, NY) Reviewed for a 2005 BMW M Series — Jun 01, 2010 11:49 AM

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Excellent product I was going to return it but I installed it and it wasnt hard at all it took me 1 hour and 1/2 and it sounds and performs way better than the factory airbox

Great Sound

Reviewed by Philippe S (Denver, CO) Reviewed for a 2003 BMW M Series — Jun 25, 2009 8:31 AM

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Very easy install. You can feel a little difference at high revs.

K&N 57 Series FIPK Air Intake (50-State Legal) - 57-1003

(5)
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Options

  • Style:
    FIPK Intake
  • Part #:
    57-1003
  • Estimated Horsepower Gain: 17.83 HP @ 7400 RPM
  • Download installation instructions (PDF)
  • Includes K&N filter # RF-1032
  • Compatible with filter wrap # RF-1032DK (not included)
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