Speedster Slashdown Exhaust - '06-'11 DynaCobra's Speedster systems combine traditional styling and modern performance technology. These shotgun pipes also produce class leading power gains. In part, the power gains come from the Cobra PowerPort, their proprietary crossover technology that helps to increase overall power from idle to redline. Delivers the kind of power increase you normally experience with a 2: 1 system, while retaining the clean classic lines of a 2: 2 pipe. Full length, 222