Cobra PowerPort Headpipes For Harley Trike These head pipes are the definition of allowing your H-D motorcycle to run more efficient, make more power, and minimize the heat produced versus the stock headpipes. Cobra has modified their famous PowerPort by enlarging it which allows a pulse chamber that increases exhaust scavenging to produce power that's expected. Features: Dual headpipes taken to a whole new level PowerPort crossover provides power boost across entire rpm range Dual pipe styling with two-into-one performance 2-1/2 heat shields Includes oxygen sensor bungs Quick, simple installation Stock mufflers will slip on easily Limited lifetime warranty