I've got Hooker Super Comps 1 3/4" tubes, 2 1/2" dual exhasust w/ an H pipe, and Flowmasters. It sounds great imo. Depending on what kind of power you'll be making will depend on what size header tubes you go with.

Someone correct me if I'm wrong but one of the things I like about Flowmasters are there is no material in them to burn away over time. Mine have lasted probably 8+ yrs now and still produce the same sound. They haven't gotten louder like some do over time. They have diferent ones for how loud you want them. It's been so long but I think mine are #2's.

Rainbow Mufflers on Belcher and Ulmerton did mine.