69 b body with 440 magnum ,magnum hp manifolds ,need to get exhaust done this week ,whats the best souinding muffler ,motor is built to 375 hp specs ,plan on 2 1/2 exhaust ,just can,t make up miy mind on what muffler ,don,t want glasspacks ,whats the best bang for the buck ,there is so many mufflers on the market anymore ,thanks