Knucklehead Fishtail Mufflers & Extensions

fishtail mufflers and tail Pipe extensions for Knuckleheads from 1936 thru 1947Different-length Fishtail mufflers and extensions that will slip over any 1¾"-diameter Knucklehead head pipe on models from 1936 thru 1947. All measurements shown are overall lengths. Sold each. 1-7/8"-DIAMETER FISHTAIL EXTENSIONSThese extensions are not baffled. 605-KNU 31"-long straight605A-KNU 31"-long straight Dago-type605B-KNU 31"-long upswept605-4-KNU 36"-long straight (not shown)607-KNU 18"-long straight607A-KNU 18"-long straight Dago-type77C- Baffle for 17/8" tail pipe extensions(10½"-long) 2½"-DIAMETER FISHTAIL MUFFLERS606-2-KNU 30"-long Fishtail606-KNU 28"-long Fishtail606S-KNU Same as Paughco #606 with sliderfor installation on the right-side ofthe bike (not shown)606SP-KNU Same as Paughco #606 with sliderfor installation on the left-side of thebike (not shown)606A-KNU 28"-long Dago-type606AS-KNU Same as Paughco #606A with sliderfor installation on the right-side ofthe bike (not shown)608-KNU 22½"-long Fishtail608S-KNU Same as Paughco #608 with sliderfor installation on the right-side ofthe bike (not shown)608A-KNU 22½"-long Dago-type608AS-KNU Same as Paughco #608A with sliderfor installation on the right-side ofthe bike (not shown) 3"-DIAMETER FISHTAIL MUFFLER 606-3-KNU-31"-long Fishtail