The Roush exhaust is shown in this video, fits your GT. More power better fuel efficiancy. Sweet looking as well. [IMG] [ame=http://youtu.be/9GzHap-_1Hs]2013 ROUSH STAGE 3 DEMONSTRATION 13 RS3 SHELBY BOSS GT500 COBRA - YouTube[/ame]
i am interested in putting a new muffler system on my car...I like thr Borla S,but I also hear Flowmaster is just as good but, cheper any suggestions... has to be stainless steel