Solo Performance Cat Back Exhaust For 2007 2015 Smart Car Side Exit Exhaust 2007 - 2015 Cat Back Mild Performance exhaust. Side Exit tip for Factory Placement Full Stainless Steel Exhaust. High Flow Stainless Steel Muffler Easy Bolt on Design. All parts included for insallation 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.