SuperTrapp Industries (Booth 1349) introduces the 2-into-2 XR System for '04-'08 Harley 883 and 1200 Sportster models. The product is an offspring of the company's flat track racing systems. Horsepower is reportedly increased by 10 percent on the 883, and by more than 20 percent on the 1200. The head pipes and megaphones are stainless steel. Oxygen sensor ports accommodate the stock sensors on fuel-injected models. Plugs for the ports are included for carbureted models. As with many SuperTrapp pipes, riders add 4-inch discs to increase horsepower, exhaust tone and flow, and remove discs to reduce sound and increase low-end torque. Optional open end caps are available for closed-course competition.