I have a ? for all you raptor owners I have a full Graydon exhaust system.I just got my 12 disc alum 4" supertrap Spark Arrester.I was wondering if i have 2 rejet my carbs.I guess i will find out this week end just trying 2 get a heads up before then.Right now i am running 160/165 main jet and needles are in the stock position.I am thinking of moving up 2 165/170 and set the needles 2 the 4 position.