My mate has an r&g fitted on his hp4 and he is removing it for a evotech one. He helped me fit the evotech one on my bike and said its much better quality.
Yes I purchased it at the nec bike show. Very helpfull guys and told me any problems to give them a call. The parts fitted well and it's the best sound . Fitted the crash bobbins at the same time. They told me not to switch the ignitition on untill fully installed. As long as you don't...