Knucklehead Fishtail Mufflers & Extensions handlebar accessories and measure 8"-wide x 4-1/2"-tall

and measure 8"-wide x 4-1/2"-tall x 2"-thick

and come in two different capacities

These fender shells

‘Captain America’ bike seen in the ’Easy Rider’ movie for years

Knucklehead Fishtail Mufflers & Extensions handlebar accessories and measure 8"-wide x 4-1/2"-tallfishtail mufflers and tail Pipe extensions for Knuckleheads from 1936 thru 1947 Different length Fishtail mufflers and extensions that will slip over any 1" diameter Knucklehead head pipe on models from 1936 thru 1947. All measurements shown are overall lengths. Sold each. 1 7 8" DIAMETER FISHTAIL EXTENSIONS These extensions are not baffled. 605 KNU 31" long straight 605A KNU 31" long straight Dago type 605B KNU 31" long upswept 605 4 KNU 36" long