my raptor has the following mods : hot rods +4 stroker,102mm cp,hotcams stage3,ferrea +1 valves , porting. fcr 39mm carbs,and i used to have lte but they dont fit with the fcr carbs so now i use big gun(shit) and i wanted to know what is the best exhaust i can use is it still barkers or is there something new or better?