2015 - 2016 Chevy SS Axle Back 2015 - 2016 Chevrolet SS Axle back Full Stainless Steel Construction, Easy Bolt on design Deep Mean Rich aggressive exhaust sound. Turn heads with our Solo Performance Axle Back Exhaust All Parts clamps Hardware and Gaskets included for easy installation Free Tee shirt with every order. Sm, Med, Lg, XL , 2XL & 3XL available. PM us your size when you order or we will include an XL.