- Apr 22, 2020
That alone is just a start. The gutted megaphone with the SuperTrapp disc setup makes the exhaust tunable to a greater degree. It took a lot of discs to get my motor to wake up where I wanted it to, but every motor is different.Wish I'd known about extending the collector pipe !!
BTW, I got the extending the pipe idea from an old Norton road racer I talked to at a motorcycle show and swap back in the late 70's. I didn't tell him it wouldn't work. I tried it instead.