Cobra Black Speedster Swept Exhaust System for 2011 Yamaha XVS1300 Stryker Moto Curved lines of the exhaust pipes echo the sweeping top line of motorcycles Deep rumbling sound for a touch of attention Includes Cobra PowerPort for increased low and mid-range power Includes 1 3/4in. head pipes and full-length 2 3/4in. heat shields to give the pipes the correct proportional look; chrome heat shields will not discolor Removable power cores