last weekend in a race i was in the process of passing a guy and he did a nasty move on me sending me into a dirt wall, flattenning my stock pipe and bending my silencer. so now i am looking for a new pipe and silencer. i have heard that bill's pipes were the hot setup for RM's but i liked the stock pipe had a lot of power with it. do new pipes make a lot of difference in power? Which pipe works best on RM's? need help.