Unlikely, they made a new frame for the Speed Twin. I wondered teh same for my Street Cup and the answer was no. Only established by visiting my friendly Triumph dealers with a tape measure and measuring the distances from where the Mufflers joins the Cat outlet pipes to the footrest / muffler mounts. You may also need to buy the Cat outlet pipes to get the angles right. Only doing some practical research will answer your question.
And there’s me thinking you’re talking about scarves. I did wonder why a scarf needed a post on here .
Why would you want to do that? Quit trying to make it something it is not. Go riding and get to know the mufflers that were built specifically for that Bonnie. The Vance and Hines pipes sing real nice on the T120. And they fit.
