So what is the horsepower gain on a VG motor with this y-pipe? Also, with this y-pipe, the high-flow cat, and the piping and muffler, what is the horsepower gain in total?

Is there any other muffle that you sell besides that one, i don't mean to be rude, but that is not the best looking muffler i've seen. Are you giving out better deals with combo's?

Let me know