[69 longhorn]

Haha, my neighbors think Im NUTS! All jokes aside,you need to move the muffs back. I would reccomend a Dyno Max super turbo for a deep, but mellow tone. At about$32 ea through summit racing ,they are hard to beat. You also want the ex pipes out from under the truck(side or rear exit), to cut down on resonance.I would also run an H pipe between the 2 exhaust pipes, as close to the collectors as you can get. that will mellow the note, & give more bottom & mid range power......wont hurt the top power either. good luck......69 longhorn.