Has anyone tried this X flow?

[secondchance]

Originally Posted by mike100

related topic: Is there a good turbo muffler with a center in, dual or center outlet that fits a C4 properly? I want to try to replace my Corsa muffler with something a little more muted.

will the corsa pipes drone with a different type of muffler can? I love the no-drone, but I really need a little quieter car.

http://www.parts123.com/parts123/yb....0000050F<br /> http://www.parts123.com/parts123/yb....5Z5Z50000050F#

I don't know if it would be quieter. Also, this has a LT1 tips.