I need new exhaust on my `37, haven`t as of yet choosen a set of hedders, but want to stay with 2.5 tube, x-pipe and been looking at the flowmaster hushpower series or the super 40`s, any and all you guys advice on them anti up, here`s they`re lasted video on them, filmed here in Sacramento where they originated from.

Flowmaster Muffler Comparison - YouTube