I previously had a single in dual out on my old truck( 2002 Chevy Silverado Z71 with the 5.3) I ran long tube headers, a cat less Y pipe, 3 inch intermediate pipe, a 3” inlet 2.5” outlet cherry bomb extreme with dual tailpipes, I could not get over the aggressiveness on the idle and the sheer heaven that you heard when you floored it, I currently have a 1999 mustang GT convertible, I love the way the Super 10’s sound but I will not pay 100+ for a muffler when I can get the same thing that I know sounds good already for a 1/4 of the price, I’ve never had issues with EBay before and will continue to utilize it to help build my car