[slicnic]

hi im looking for some advice on what power pipe will give me most power and weight savings on my 07 450x.
I already have opened airbox jd jetting a stage 2 hot cam with a fastheads r head with stainless valves. and before you say it my suspension has already been set up properly by a pro. jus not ready to let go of the old girl yet even though all my mates are on new ktm500s. thinkin a fmf q4 with powerbomb header ?