Cobra Powerport Dual Headpipes - Black161798298 Product Description Designed specifically for HD trike models, these headpipes are a direct bolt on for both Freewheeler and Tri Glide models Has the S bends built into the pipe, eliminating the need for aftermarket adapters Because of the Cobra PowerPort crossover, these headpipes perform like a true 2 into 1 pipe with the clean look of a traditional dual system Fattens the low end and mid range torque curve; perfect for touring and highway