DSC Club Member
Ducati Meccanica
Bikes: '01 Ducati 748R and '04 Mille RSVR
Posts: 2,665
Join Date: Apr 1999
Location: Nr Boroughbridge, North Yorkshire
Mood: Awaiting the arrival of the sun and the disappearance of the rain
Will depend on the amount and quality of your exhaust packing.
The 45mm system on my 748R registered 103db at Cadwell
The cans have done over 50k miles since new mind you and have never been re repacked 😜