Hooker LT's and what muffler?
 

Ive got a 2002 trans am with hooker Lt's and an ORY with a flowmaster i want it a little louder with no rasp what muffler should i use A hooker chamber muffler

it is an automatic with a 3.42 rearend how much higher would my daily driving RPMs be with 3.73?

Go Corsa!!!!! It is the best sounding exhaust IMO. I just put some on my car the other day with, and I have the same setup as you, and there is very little rasp. It is really not that loud inside the car, but outside, it screams, but it sounds really nice. I used to have Flowmaster, but it was too quiet for me. My vote is definately Corsa.

Good luck
Ryan

Hookers + ORP + ANY exhaust = RASP

Rasp seems to be one of those matters of opinion, though it shouldn't. I have heard that the Magnaflo system really tones the rasp down for some of the ORP guys.

hooker from headers to catback, sounds great IMHO