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K&N Air Filters - E-1997

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  • Part #:
    E-1997

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K&N Air Filters Part #E-1997 Customer Reviews

Average Rating

7 Customer Reviews

K+N Air Filter for 2009 Mustang CAI

Reviewed by Frederick W (Gloucester, MA) Reviewed for a 2009 Ford Mustang — Aug 08, 2017 6:08 PM

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Put this on my Roushcharged '09 Mustang Bullitt at 470hp, and it gave it even a bit more pop off the line. Easy install. Nothing but the best.

Excellent Filter

Reviewed by Philip J (Surprise, AZ) — Feb 06, 2015 8:32 PM

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I only use K&N in all my vehicles ... with all the Arizona dust they perform excellently. I clean them a bit more than required, but I want to protect my engines.

K & N filter for Ford Racing CAI

Reviewed by Franklin F (Perrysburg, OH) Reviewed for a 2006 Ford Mustang — Apr 19, 2012 7:20 AM

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3 of 3 people found the following review helpful.

I Have a 2006 Mustang with a Ford Racing CAI. This is the CAI that comes installed on 2008 Mustang Bullitt's from the factory. The conical air filter Ford Racing supplies, (and it is the same for the Bullitt's)is very restrictive. I didn't know how restrictive until I held them up side by side to the sunlight. Absolutely no light passes through the Ford Racing filter. Very Restrictive. I installed the K&N and immediatley felt a difference in sound & acceleration. An excellent purchase.

Reliable

Reviewed by Larry K (Washington, AR) Reviewed for a 2008 Ford Mustang — Mar 14, 2012 8:47 PM

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1 of 1 people found the following review helpful.

Still the same reliable performance filters I have been using for years.

Perfect fit replacement

Reviewed by Stephen F (West Chester, PA) — Mar 05, 2012 9:05 PM

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I'm not sure why the manufacturer (Ford) didn't include a re-usable filter on the car from the factory, but nevertheless K&N replacement filters are always a good investment. They pay for themselves after the first year when you won't have to buy a new filter (clean and re-oil it after 50k miles with K&N's re-charge kit). If you're looking for more power I wouldn't bother with their full "cold-air" intake kits, unless you're buying one that requires a computer re-tune. They'll do absolutely nothing otherwise.

[email protected] air filter - 2008 Mustang Bullitt

Reviewed by Larry F (Robesonia, PA) Reviewed for a 2008 Ford Mustang — Feb 29, 2012 9:46 AM

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0 of 1 people found the following review helpful.

This vehicle comes with a cold air package. Replaced Ford's factory air filter with a [email protected] - There is literally no comparison in quality and construction of the [email protected] vs. the Ford filter. I own 3 vehicles and 3 motorcycles - they all run with a [email protected]! The The bullitt is my wifes play vehicle - she said she readily notices that the engine pulls better and tachs more quickly - I agree! The vehicle is also fitted with a BBK throttle body and a BBK underdrive pulley set.