Magnaflow is just reeal really prowd of their stuff. Not to mention with names like Ivan Stewart and MArio Andretti you have to have some bucks to get those guys to be your spokes people. I have a gibson exhuast and it sounds great. My old X had an HKS SUV exhuast and it sounded great. Nice think about it was the very stout tip on it that didnt sucumb to rocks easily.