Oval vs round exhaust sounds

[Cutty72]

Originally Posted by racedoll

How about if it's titanium, stainless, carbon fiber, etc...?

Even less than difference than the shape. It's the internals that made the difference. Exterior make (of the actual muffler, not counting the mid or header) is an aesthetic difference only. Plus a carbon (not sure about ti) pipe will not get hot to the touch, where a stainless will.