every now and then I tuck in behind a Harley rider filtering from the M18 to the M1 northbound going into Sheffield and as much as those out there may comment on horse power to noise etc, they're the best ones to get through the filtering debate. I just sit behind him, listen to the roar, he never takes the piss with the throttle, - the cars just 'part', brilliant to watch. I really need to get my exhaust swapped!