Guzzi project

[Dickyboy]

Sooo much better with the dB killers and correctly mapped, got an extra 5bhp at 4k rpm and no popping and banging on the over run, dB killers take the bark out of the exhaust sound and bring it into the realms of respectability. Only 80bhp at the back wheel but I don't think that's too bad for an agricultural vee twin