Hey to all im new here, i own a VT executive serie 1 and would like to make some modifications to it.. Im thinking about doing the following Platinum plugs 10mm leads ss inductions growler kit 2.5 catback exhaust (lukey or redback) mace engenering manifold insulator 25mm mace engenering plenum spacer 12mm pacemaker extractors slotted rotors can you give feed back on what mods are worth doing and what other mods i could possibly also do..