wix filter foam
hi i replaced my k&n filter on my 97 12 valve with a stock airbox and a napa gold paper air filter with the extra foam on it. you do leave the foam on it right? kind of like a pre filter?
i was wondering about that, seems like the foam would plug up before the paper had a chance to filter everything.
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Chevy/GMC Duramax 07.5 -10 LMM
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Dec 3, 2017 06:31 AM



