When I took a look at the K&N filter provided before I did the install I was very disappointed in the quality of the filter. I even doubted whether these were actually K&Ns. I had a Fujita CAI on my 2005 Maxima b4 and the quality of the Fujita air filter was much better than these pieces of crap. And to your point I am gonna try and squeeze a lil larger size (lengthwise) out of the new filters I purchase. I'm not looking for any gains or change in sound although I don't think throwing higher quality filters on there could hurt.
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