The Jackpot 2/1 Stainless Steel replacement head pipe is now in stock and shipping for the 2010 Street Glide and Road Glide models. This is a direct replacement for the stock catalyst head pipe and features aircraft grade 304 stainless steel fully tig welded construction and works the stock or any aftermarket 2010 SG/RG muffler including the Jackpot PowerTube, SE Nightstick, V&H Twin Slash, Supertrapp as well as many others. There are very good performance gains, a much deeper throatier sound, and a huge reduction in radiant heat. There is more info along with dyno charts on our website at http://jackpotmufflers.com/headpipes21.htm