i meant to type what is so great about k&n air filters but hit enter...i dont really like them because they are wire filters and suck too much stuff through...but i like uni....they are mainly foam....

 

just for that reason. they let more air through then other filters, but along with the air comes tiny particles of dust etc.

 

If you are a racer maybe, but not a good choice for recreational riders. I ran K&N for years with no problems, but I was **** about changing them the minute they got slightly dirty.

I have gone back to UNI, and now I sleep much better at night!

 

I have ran k&n on all my quads without a problem. If you keep them clean shouldn't be a problem.

 

ok....i understand people love K&N air filters....which is ok......but i would much rather keep my bike in good condition than try to get just a little bit more performance.....just not worth it to me...

 

K&N filters are a cotton gauze design; not a wire filter.
The only way there will be problems with them is if you under oil them, over oil them or don't clean them like you should. The only thing they don't like is water. Being cotton, they don't like water.
If you think K&N is bad, look at what the Baja racers use. Those guys have big $$$ motors and they need to make it to the end of the race. You can't do that with a dusted engine.
Uni is a good filter also.
You can't be lazy with either.

 

this is the reason why k&n makes pre-filter outerwares ..... although not an excuse not to clean it tho.

 

All the Outerwears does is catch the stuff that is bigger than the mesh of the nylon, and lets the littler stuff just sails right through. The thing is that the real little stuff is what the gauze on the K&N is going to have the most trouble with.

The biggest problem I have with K&N is that it is very thin and pretty much ONE DIMENSIONAL. If something doesn't get caught on the sufrace, you don't have much behind it to back it up. With a foam filter, if it gets past the surface, there is still plenty of filter depth left as a backup to catch it.

I do have a K&N on my truck, but it only occasionaly sees off-road use, and I run a foam wrap (Air Force Filter, sold by K&N!) on it just for some added security.