CANNOT SHIP TO CALIFORNIA Our PowerPort Dual head pipes give a true dual look with the power gains from our Power Port crossover for improved exhaust scavenging. Match with any of our Trike Specific Cobra slip-on mufflers. Everyone loves the clean look of a true-dual system, but the truth is, those systems don't always deliver when it comes to performance. Because of the Cobra® PowerPort crossover this system performs like a true 2-into-1 pipe with the clean look of a traditional dual system. Designed specifically for HD trike models, these head pipes are a direct bolt on for both Freewheelers, and Tri Glides. The PowerPort Dual head pipes fatten the low end and mid-range torque curve, perfect for touring and highway use. Includes oxygen sensor bungs. 2.5" heat shields Has the “S” bends built into the pipe, eliminating the need for aftermarket adapters Fattens the low end and mid-range torque curve; perfect for touring and highway use Harley-Davidson FLHTCUTG Tri Glide Ultra Classic 10-16 Harley-Davidson FLHXXX Street Glide Trike 10-16