I took my stock exhaust off and noticed that there were no exhaust gaskets installed. The cylinder was tapered and the stock exhaust header was tapered to fit. When I installed the gaskets I got from Harley and it also installed the Vance and Hines competition 2 to 1 system and started the bike up both the cylinders started to smoke where the headers were installed. Could this be because I installed gaskets when there weren't any stock gaskets?
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