Byron Originals Purrrpow'r muffler and mounts. Never run but has been mounted. Comes with all needed to mount and has two exhaust manifolds for diffent size engines. $110.00 shipped in the lower 48 states.
I have a Byron Originals Cap 21 kit for sale. Brand New, original box and packing. Pictures will come tomorrow. $300 plus shipping to the US only. Have a lot more byron stuff coming up for sale, PM for interest or other airplanes. Thanks