dont listen to the electrician.


you can get a full catback N1 system for $450 if you shop around. it's worthless to try and out-engineer a team of engineers who made the N1 setup. but, as far as muffler/exhaust setups go, i'm not a fan of the N1. just get whatever suits you, as you're not going to see much of a gain in power at all... only a gain in sound.

as for your offset, +45 is the lowest i'd go. it'll bring your rims out to the edge of the fenders without rubbing or looking like a skateboard.