I am satisfied with my FMF for now. If I go 686/11:1/stage 2 cam blah blah blah, I will look at upgrading my exhaust. But for now it runs pretty good. I'd really like to see some dyno numbers with all the pipes to show just how much difference there is on a bolt-on only motor.
i would get the dmc. i have heard really good things about them. and yes they are kinda loud but well worth it. my pops friend has it on his kfx and he loves them. but overall they are both good choices
Well I ended up getting the Power Core 4 w/ the Powerbomb header. Its a really nice setup. Noticed a big power gain after installing the pro-flow and rejetting. Went with #25 pilots 160/165 mains and swapped out the needles with gytr needles and left them on the 3rd clip. The reason I didn't get the DMC is because they are way to loud. I have a full DMC on my Warrior and its loud. I couldn't even imagine one on my Raptor. Heres a picture of the header, the muffler is covered in mud.