a large commercial metal band saw on low speed. made a really clean cut with out damaging the titanium no dents or splits at all, and no fileing needed. just cut straight thru it all sleeve baffle and all. then cut ur holes in the sleeve and rivet the end cap back on. its easier to work with the inlet side of the end cap the the outlet end cap side imo. good luck pm me if u need any other help with it its fairly easy to do just dont rush it and damage the sleeving its self. and dont cut it to short cuz theres no turning back. this was cut almost directly in half, about 8.25" removed
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