I've used them for the past couple of years on my 'tique. No problems at all. I like them.
Pros: no problems, user likes
Reviews of K&N parts For Business
Average Rating
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The manufacturer's average rating is calculated based on ratings of all its spare parts. It determines the place in the manufacturer ranking
3.9
Manufacturer Ranking
#90
429
Spare Parts
6
Country
USA
Website
knluftfilter.com
Spare Parts
Comparisons
Personally, I don't think K&N's filtration is bad enough to where it affects the engine. I've got two vehicles in my family that have been running them since day one with over 200,000 miles.
Pros: long lasting, no issues
Mileage: 321868 km
I choose K&N, because it's reusable, and offers the performance I look for in an air filter.
Pros: reusable, good performance
Here is a 2.0 owner with a 1999 GL and 56K on the clock. I decided to use K&N drop in filter as a replacement on the CAI. So here is what I noticed after I put K&N on my puny 2.0: 1. 1.7 - 2.3 EXTRA mpg 2. Better throtle reponse, especially above 3K rpms 3. No problems concerning the MAF and oil flying off the filter I think my $45.87 was well spent!
Pros: extra MPG, better throttle response, no MAF problems
Vehicle:
Volkswagen
Your experience is your experience- that's fine. I have seen gains. My fuel economy has gone up about two miles per gallon on average.
Pros: seen gains, fuel economy up
Vehicle:
Volkswagen
I just turned over 9K on my car. installed a K&N on the day I got the car with 34 miles on the clock. After reading your post the other day on this subject, I decided to check my MAF and intake for signs of mineral oil. There were no signs of it. Not on this car, or the Jetta 1.8T I had before this one. I ran that car with a K&N panel filter for for approx. 36,000 miles until I sold it for the GTI. I have owned (6) cars in my life. (4) of them had K&N filters in them. I have never had a problem with any of them as a result of these filters.
Pros: no signs of mineral oil, no problems
Vehicle:
Volkswagen
Mileage: 9000 km
Agreed ^^ I did mine a wek ago and the sound is great! The DV is definately audible now and the turbo spools a little quicker and whines louder! You'll get a little better mileage like alreadt stated and I'm sure you'll gain a few HP, but its not very noticeable.
Pros: great sound, DV audible, turbo spools quicker, better mileage
Cons: HP gain not very noticeable
Vehicle:
Volkswagen
I have a K&N in my BMW and it has helped with fuel consumption - however - it was a pro install and has a cold air duct fitted to the front grille. The car was then also dyno tuned to optimise the better airflow. However - I take the benefit in fewer filter changes and better fuel consumption.
Pros: improved fuel consumption, fewer filter changes
Cons: requires pro install, needs dyno tuning
Vehicle:
BMW
Plugs, Coils, Maf, Front 02 sensor have been changed, I am not running motor mounts of any kind, my car feels so Unsmooth compared to other 1.8t´s I have driven this only seems to happen under low load... you can feel the cabin vibrate... not a lot but defenetely the steering wheel, pedals, shift knob. and the car seems to stop and let go, stop and let go (jerky) whenever I let go off the gas pedal in gear... it feels so unsmooth!!!
Cons: unsmooth, cabin vibrate
Vehicle:
Volkswagen Jetta
Many manufaturers, including VW, Ford, BMW etc. have determined that the oil used to assist the paper gauze as a filtering medium is contaminating the MAF sensors. When contaminated, replacement is required as MAF sensors cannot be cleaned. Apparently, Ford has already issued a TSB on this, and I understand VW/AUdi is just about to. Anyway, most Dealer Service depts are now very much aware of this, so it's unlikely they'll cover a contaminated MAF under warranty.
Cons: contaminates MAF sensors, may void warranty
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