computer savvy, I'm not! Is it worth installing a K&N 'stock' filter system in? 2007 4 door.
With the stock air box? IMO, no. you'd still have the same air flow restrictions as with a paper filter. With a CAI or SRI? Yes.
2006 Uni Black Rabbit
4 door - 5 spd - UM tune - Neuspeed P-flo - Eurojet exhaust - fogs - Euro tails - Borbet Monte Carlo (autoX) - Ronal Goals (summer) - SSM Magny Cours (winter) - hatch pop kit - iPod adapter