Vance and Hines Big Shots Duals Chrome Full System Exhaust for Harley Davidson - One Size The ultimate complete system for late-model touring machines Armed with full-coverage, 220 deg. wrap, 2 1/2in. heat shields that are essentially blue-proof for long-lasting style Heat shields surround 1 3/4in. headpipes that flow into 2 1/8in. muffler bodies True 2-into-2 system eliminates factory crossover and provides a clean, classic dresser look down both sides of the bike Specially tuned baffles produce the deep Vance & Hines exhaust note with optional quiet baffles also available