I am getting tired of paying $36 for a new air filter element. I was thinking of setting up some kind of K&N filter. Is this alot louder than normal? I flipped my lid over once to allow more air into the canister and I couldn't stand the noise! I don't know if it was just echoing in the canister or what.

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'85 300SD (formerly california emissions)
'08 Chevy Tahoe
'93 Ducati 900 SS
'79 Kawasaki KZ 650
'86 Kawasaki KX 250
'88 Kawasaki KDX200
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