Halston Seropian· Registered
2011 CTS-V Raven Black Coupe M6
Discussion Starter · #1 ·
Hello, I am currently running headers, x-pipe and nothing else on my 6MT Coupe. I want to install cutouts and quiet mufflers but I don’t have the stock muffler, so I want to know if anyone has any incite to lead me in the right direction of what mufflers to put on.