honda3805

Hey guys im new on here I just bought a banshee. Ok my question is im running fmf fatty and power core 2 silancers and I hurd the other day a banshee with a dynoport 2 into 1 and really liked it do I need to rejet my banshee or are theses pipes no good. Just give me so in put if you all would I was originally a four stroke guy so don't know really anything about the banshee. Thanks