They Work
Picked up a pair of K&N drop-in filters over the weekend. I can only speak for my completely stock 307Z (except for dynamat extreme and second skin). Results were immediately noticeable; better throttle response, more power, louder but deeper exhaust sound. How much of a difference? Not that much but definitely well worth the $120 Pep Boys investment.
Happy driving!
Last edited by cinellipro; 04-02-2012 at 08:07 PM.
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