The Cobra Bad Hombre Dual exhaust system gives that classic dual exit look, while increasing performance 1.75" exhaust tubing provides improved exhaust flow, and the 2.5" heat shields give the classic straight pipe look Removable louvered baffles increase back-pressure and torque, as well as soften this exhaust systemÆs bark Includes oxygen sensor bungs. EXHAUST TD BT SFTL 07-11