I just bought a 2000 Banshee that is bored.40 over has a 2 to 1 carb and full FMF exhaust. My first question is about the 2 to 1 carb. Are they any good and is there anything I should know about them? Second Question I think the sprocket set is stock what would be a good set up? Some where in the middle of good lower end but good top end a well? And last Question is do FMF powercore 2 silencers have spark arrestors in them for the dunes?