I have two sets of Hemi zoomies. One short 2 1/2" tubes. One is minni training wheels design or longer from flange to turn about 12" also 2 1/2 and egt bungs which can be removed if like.. WIll fit 426 bolt pattern Dart,KB, BAE non fat head and I think AJPE. $526 either.
I have materials for building BBC in 2 1/4" in style of your choice. I get $450 for them and can add egt or o2 bungs if needed. contact me here or CMconcstruction2312@gamial.com or cell 336 362 1785.
Chris McBride