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K&N Air Filters Part #33-2134 Customer Reviews
36 Customer Reviews
Reviewed by Daniel Z (AUSTIN, TX) Reviewed for a 1990 Mazda Miata/MX-5 — Feb 06, 2014 2:05 PM
Dropped this K&N into my 99 Mazda Protege and the engine is noticeably more responsive. The OEM air filter was definitely more restrictive.
Reviewed by Steven V (Flemington, NJ) Reviewed for a 2003 Mazda Protege — Apr 20, 2013 5:54 AM
When I took out and compared my stock air filter to my new K&N one there was no comparison. The quality and look of the K&N air filter is superior and I will not buy any other brand ever again. Installation was a snap.
Reviewed by Matthew L (Ruther Glen, VA) Reviewed for a 2000 Mazda Protege — May 30, 2012 7:31 AM
I was a traditional cheap air filter buyer until I installed my K&N filter. Everybody always said they were worth the money but I wasn't ready to commit to dishing out the extra dough. Now I'm kicking myself for not doing it sooner! The difference was noticable right away in my 1.6l Protege and my gas mileage has gone from around 320 miles per tank to 340 consistantly. No dyno to check HP gain but the high end saw the change, dropping the RPM from 4.2k@80mph to 3.5k. As for low end I can't honestly say I can't feel a difference but what can you expect from such a small car.
Reviewed by Gordon D (Monterey Park, CA) Reviewed for a 2006 Ford Taurus — Aug 31, 2010 9:09 AM
I have been using K&N products for years and they have always performed perfectly. I first used K&N on my 1971 Chevy Nova SS and all my cars since. Excellent quality products which lasts a long long time.
Reviewed by Richard E (Hanover, PA) Reviewed for a 2000 Ford Contour — Nov 21, 2009 1:57 AM
By placing a K&N filter next to a competitor's filter, one can see how a K&N filter would not inhibit air flow. Since I am new to this and have just received the filters for my cars, I will have to experience how they perform from mileage checks and from perceived performance from driving the cars once the filters are installed. The only thing that I am concerned with is how these filters can function so long before cleaning; especially since these filters are coated with a type of oil or lubricant. Other filters have a lot of debris in them after some use and one would think that a K&N filter would collect even more debris since they are coated with a type of oil.
Reviewed by Tyson P (Mesquite, NV) Reviewed for a 2003 Mazda Protege — Jun 23, 2009 8:48 AM
I thought about getting a regular paper filter, but for a few dollars more, I got one that I never have to replace. I already have the cleaning kit, so I am set for the life of my vehicle!
Reviewed by Evan V (Chesapeake, VA) Reviewed for a 2002 Mazda Protege — May 23, 2009 7:09 AM
Installed in 2 minutes. Fit perfect and it was already oiled. Maybe a slight gain in hp around 3-6 rpms. A more throaty intake noise on acceleration.
Ships By 7/23
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- Part #:33-2134