For sale is a set heartthrob muffler deletes axel back exhaust. They will fit 2011-2014 GT. They were on my car for about 500 miles. I love how they sound but i just won a set if Flowmaster outlaws at the American Muscle car show. So I am selling the heartthrobs. I would like to add I drove 300 miles to the AM show and at highway speeds 60 to 75 the heartthrobs had no drone it 6th gear with 3:15 gears. They are located in Ballston Spa. I will let them go for $200 free shipping.