I have a 2000 FLSTF that was converted to a Trike. The Engine was recently upgraded with Screaming Eagle Big Bore Kit, true duals (no crossover), and high performance air cleaner. I have installed 3" supertrapp internal disc exhaust and would like to know how many discs per muffler I should install with closed end caps and also how many discs per muffler with open end caps. Trike Kit makes the bike a bit heavier, so probably need more torque?? First time using this forum, appreciate you help. V/r Smokey.