(26-04-2018, 10:14 AM)Barry Wrote: Regarding the expansion box used on the period and/or modern Ulsters, is there any silencing provision - baffles etc?
No, it's just a shell with an in pipe and an out pipe.
(26-04-2018, 01:14 PM)Dave Wortley Wrote: Chris Gould provided me with a full size drawing when I made my ulster exhaust manifold about 27 years ago. I think I still have it somewhere.
Kind of you to mention it Dave but Chris made me a pattern too!