So I got the expansion chamber from sick bike parts but am having trouble geting it installed. I cant get the silicone tubing to fit. It will go on the 3/4 part but not where it widens. I am going to have to run the pipe up the downtube and back down puting the end right under the pedal crank. Im using a lot of little coper pieces. The ring on the j-pipe part of the header broke off(for springs). I dont hace an oxy/mapp setup, just mapp and propane, so im thinking brazinf will not work. I bought a product from auto zone called tiger wrap, its for repairing holes in muffler, but it doesnt seem to actually melt around fittings. I tried cooking some with mapp. Any ideas or reccommendations. I thought about having it welded up but that is going to make it more expensive and defeats the purpose og having a pipe that you can tune and adjust. My bike is a micargi pantera with a dax bottom end, arrow cylinder and fred head.