K&N review

[motopsycho87]

I bought a k&n for my gasser, I was a bit concerned about the amount of water that gets in the airbox, so I sealed the joint between the box and the rear fender. I took the bike put today for 4 hours in horrible slushy muddy ****, and here is a picture of the filter after. Almost spotless! So many nay sayers on k&n, but I am impressed, and definitely a power improvement over foam, and so much easier to clean!!!

[Capz85]

I think I'm going to try one of these

[memphis2857]

Next time you ride in some dust take the filter out and wipe a clean rag inside the air boot and tell me how much you like the K&N then. These filters are fine for cars where small dust particles don't really cause problems but the stuff they let pass is very detrimental to our small engines.


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[Stoby]

Kn flow very well for a reason they are not efficient at stopping small particles and cause wear on pistons and cylinders of cars . I'm an ex mechanic and researched them a long time ago --- not good results, excessive engine wear. For auto racing - & hi perf apps. they are great cause those engines are torn down often. I wouldnt run one in a bike unless you really need every available ounce of horsepower and are willing to change piston and replate cylinder more often than normal.
my 2 cents
Stoby

[Capz85]

I don't use mine off road, supermoto