I'm thinking about buying the K&N air filter for my 2001 Honda Accord 4cyl. Before I buy it, I want to know how much of a difference it will make for my car. I was also looking at the Spectre air filter. Can someone helpl me out? Here is a link to both of them:
http://www.autozone.com/autozone/parts/Spectre-Performance-Air-Filter-Performance/2001-Honda-Accord-EX/_/N-jfe5xZa0467?counter=0&filterByKeyWord=air+filter&fromString=search&itemIdentifier=178594_511947_0_
http://www.autozone.com/autozone/parts/Spectre-Performance-Air-Filter-Performance/2001-Honda-Accord-EX/_/N-jfe5xZa0467?counter=0&filterByKeyWord=air+filter&fromString=search&itemIdentifier=178594_511947_0_