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K&N Air Filters Part #E-1009 Customer Reviews

Average Rating

89 Customer Reviews


Reviewed by Peter Y (PALM BEACH GARDENS, FL) Reviewed for a 2007 Chevy Trailblazer — Jul 02, 2016 5:15 AM

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I am checking to see if my gas mileage increases.

Great value for the gains!!

Reviewed by Mark C (JOHNSTOWN, CO) Reviewed for a 2006 GMC Envoy — Nov 17, 2014 8:03 AM

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I have had one on every car that I have ever owned since the K&N was invented! Great value and gains. Just like humans, cars also need to breath!

Envoy XUV

Reviewed by Gary O (EVANS, GA) Reviewed for a 2004 GMC Envoy — Sep 19, 2014 6:30 AM

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i finally got 'smart' after throwing away my other old dirty air filters...this will be my last air filter for this vehicle...wish i would have done it much earlier...I installed it and then took some furniture to my daughter in Atlanta...fuel milage increased on the way there but then had to sit in road construction traffic for 45 overal milage didn't show any increase...but will test again on this tank...


Reviewed by David F (STILLWATER, MN) Reviewed for a 2009 GMC Envoy — Apr 10, 2014 7:25 AM

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works great

GMC Envoy

Reviewed by Tim H (CHILHOWIE, VA) — Jan 22, 2014 6:46 PM

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Replaced factory air filter with K&N You can hear more air flow.Getting about 1.5 MPG better Tim H Chilhowie VA

K&N Filter

Reviewed by David F (GROSSE POINTE, MI) Reviewed for a 2007 Saab 9-7X — Dec 22, 2013 9:42 AM

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Great price and quick shipping for my K&N filter. Was easy to install.

Not impressed

Reviewed by James S (Chesaning, MI) Reviewed for a 2005 GMC Envoy — Oct 16, 2013 5:54 AM

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The over look was great, but there was no increase in mileage, which I was going for. I also installed one on my 1997 Chev CK1500 and after checking mileage several times there was no increase in mileage. I did not put the full cold air kit on and I am glad I didn't, I believe it would been an expense that I would not have been able to recoup. But this is just my results, I think the product looks great, and I am sure someone else will have different results. Jim

Works great so far

Reviewed by Vaughn C (Ivins, UT) Reviewed for a 2003 Mazda Protege — Aug 04, 2013 10:23 AM

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I was very surprised at how easy it was to install! I love the design, it allows for more air flow than any other filter I have used before. I will be upgrading the rest of my vehicles!

Great Seller

Reviewed by Paul W (Terrytown, LA) Reviewed for a 2003 Chevy Trailblazer — Jun 24, 2013 11:52 AM

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1 of 1 people found the following review helpful.

Auto Anything will be recommended to all my friends. Very easy to do business with and 100% reliable. Will purchase products from them in the future.

they work

Reviewed by kendall m (STAYTON, OR) Reviewed for a 2008 GMC Envoy — Jun 08, 2013 9:47 AM

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had k&n filters before they do make a differance always recomend them

K&N Air Filters - E-1009

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