Designed specifically for HD trike models, these headpipes are a direct bolt on for both Freewheeler and Tri Glide modelsHas the “S” bends built into the pipe, eliminating the need for aftermarket adaptersBecause of the Cobra® PowerPort crossover, these headpipes perform like a true 2-into-1 pipe with the clean look of a traditional dual systemFattens the low end and mid-range torque curve perfect for touring and highway useIncludes oxygen sensor bungs