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K&N Air Filters Part #33-2397 Customer Reviews

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12 Customer Reviews

K & N high flow air filter for 2006 Infiniti M35S

Reviewed by George C P (Dallas, TX) Reviewed for a 2006 Infiniti M35 — Mar 12, 2016 11:18 AM

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Reasonably priced with a 20% off code the air filter arrived quickly thanks to AutoAnything. Can't say I noticed a performance difference but I'm really hoping the reduced restriction might help my gas mileage slightly. Haven't had it in long enough to know. The filter fit perfectly and appears to be doing its job.

great product

Reviewed by thomas n (tampa, FL) Reviewed for a 2007 Infiniti M35 — Jul 24, 2013 4:45 AM

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very easy to install very nice sound over the stock

K&N Filter

Reviewed by David N (Palo Alto, CA) Reviewed for a 2007 Infiniti M35 — Jul 12, 2013 8:30 PM

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It seems fine. Very heavy.

k&n filter

Reviewed by jeu t (elk grove, CA) Reviewed for a 2006 Infiniti M35 — May 21, 2013 8:31 PM

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Fits perfect

Improved my SUV intake sound, much smoother!

Reviewed by David N (Philadelphia, PA) Reviewed for a 2005 Toyota Sequoia — May 07, 2013 7:30 AM

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The filter fit perfectly! My SUV even sounds like it's breathing better now when at high rev. I can't tell if I gained any more horsepower, I dont know if it's gonna save me any gas but I hope so.

K&N filter

Reviewed by gregory S (BROOKLYN, NY) — Jan 22, 2013 6:00 PM

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I love the filter added about 4 miles to the gallon on the highway I'n my 2008 infinti M35s

No big improvements for daily driver

Reviewed by Dennis B (Southlake, TX) Reviewed for a 2008 Chevy Avalanche — Mar 21, 2012 3:58 AM

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I installed the K&N replacement filter in my wife's car without telling her to see if there were any noticeable improvements. After 4 weeks I told her I replaced the air filter and did she notice any changes. She told me there were no noticable change in performance (I drove the car and agree with her), but after 4 tankfulls of gas there was a slight improvement in gas mileage(.5 MPG). Well, at least we won't be putting any more paper filters in the landfill. My other vehicles (2 trucks) have the K&N cold air intake kits and you do notice a performance improvement. So if you want noticeable performance improvements I would recommend installing one of the intake kits not just a filter replacement.

K&N Air Filters Increase Miles Per Gallon

Reviewed by Donald Y (Katy, TX) Reviewed for a 2006 Infiniti M35 — Dec 20, 2011 3:31 PM

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3 of 3 people found the following review helpful.

I purchased my Infiniti M35 in 2006, but K&N did not make replacement air filters for it at that time. This year, K&N finally brought the filter to market. All my other vehicles use only K&N air filters. I immediately picked up 2.2 miles per gallon as noted by the vehicle's online computer. It won't take many tank fulls of gas before the savings pays for the addition of the filter. Plus, K&N filters are sustainable and keep paper filters out of landfills.

Pleased with purchase.

Reviewed by Jeremy G (Hattiesburg, MS) — Nov 18, 2011 6:44 AM

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I feel the quicker response but do not notice any savings in fuel.

K&N Makes a difference

Reviewed by Keith M (Woodstock, GA) Reviewed for a 2007 Infiniti M35 — Nov 03, 2009 7:23 AM

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2 of 2 people found the following review helpful.

I can already tell a difference in how the engine performs with my new K&N filter. Just seems like the engine breathes better and responds more quickly. Hope to see a MPG increase on my Infiniti M35.

K&N Air Filters - 33-2397

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  • $34.99 - $261.99
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