The Jackpot Dyno Tuned mufflers are for the 1999-2010 Touring models with dual mufflers. The Jackpot PowerTube is a specific muffler for 2010 Street Glide and Road Glide models with factory 2/1 exhausts. Developed on the dyno, the PowerTube features a unique Stainless Steel free flowing core that provides the best possible performance with the stock headpipes with a deep throaty tone.