2000GT4.6

You will not find any of the major muffler manufactueres that will make significantly more horsepower than the others. A catback is a catback is a catback, espcially on a bolton only car. You would have to be making insanely large horspower numbers to actually have restriction from almost any aftermarket catback.

If you don't want drone, go with a baffless muffler likea magnaflow/SLP etc. With almost no exception you will get drone from any baffled muffler.

Drone FTL. I cannot stand exhaust drone. The car should be loud at WOT and sound nice at idle, but all exhaust drone does is make for a nasty headache during highway cruises. Nothing is more annoying than haivng to yell at your passenger just to be heard.