After watching the clips on SuperTrapp's site, I decided to go with the Mudslinger. It seems to have a meaner, more agressive tone than the IDSX, which sounds closer to stock.
I also ordered a Dynojet kit and a K&N to go with it.
__________________ 09 Arctic Cat 700 H1 SE
Zilla 28's on SS212 14's
MudTech 1.5" Lift
HMF Penland Pro
Too long for sig...
the supertrapp is supposed to come with its own jet for the exhaust... r u ordering the k&n powerkit for ur 400 if not ur gunna need a pre-filter and the cleaner and oil