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K&N Air Filters Part #33-2181 Customer Reviews
28 Customer Reviews
Reviewed by Hector G (Milpitas, CA) — Aug 03, 2013 6:54 PM
I Have Several Cars. I Have A K&N Air Filter In Each Car. It's Just Simple To Install. Unlimited Miles Warranty. It's Better Than Buying Another Cheap Filter Every So Often. First Time Though That I Needed To Order 2 K&N Air Filters For 1 Car. The 2006 Mercedes Benz E350 Requires 2 K&N Air Filters. Overall I Would Suggest Anyone Who Would Like To Save Money And To Overall Help Improve Your Vehicles Performance, To Purchase A K&N Air Filter. Most Importantly, It Doesn't Void Your Warranty
Reviewed by Anthony M (Dixmoor, IL) Reviewed for a 1999 GMC Savana — Mar 06, 2013 4:17 PM
I switch to k&n air filter after driving my friends ( 01 Mercedes S500) I notices the approve acceleration. Which my car didn't have with non- K&N air products. Once I switch I notice the improve acceration and fuel efficiency. I install K&N in my 99 GMC conversation van (explorer SE). Got great results.
Reviewed by John C (Sperry, OK) Reviewed for a 2007 Volkswagen Jetta — Jun 04, 2011 5:42 AM
The truck and highlander is doing very good better peformance and gas mil. But minnor set back sense I put it in the benz it has been in an out of shop???Wierd case we have had no problems before this??
Reviewed by REY Z (Modesto, CA) Reviewed for a 2007 Mercedes-Benz C-Class — Mar 09, 2010 1:37 PM
What a great product easy to install and much better than any paper filter. Can't beat K&N for value and performance. just be sure to buy 2 if you have a 2007 mercedes c230 it takes two air filters
Reviewed by Barry M (Newport, OR) Reviewed for a 2004 Mercedes-Benz E-Class — Sep 15, 2008 3:47 PM
My E 500 has plenty of power and gets reasonable gas mileage for a 5 litre v8 (23 t0 25 highway) but I expect to get close to 30 with K&N. I live in a smal town so I don't get too many highway miles regularly but when I travel I like to maximize my mpg.
Reviewed by Erica C (Florence, AZ) Reviewed for a 2008 Mercedes-Benz C-Class — Jun 18, 2008 8:57 AM
I notice a 20% increase in MPG! I'm looking to break 30mpg this next fillup! Before I was getting around 25mpg which is not that bad considering......the car I traded in was an Evolution that got around 19mpg.
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