Exhaust Pipes For Flathead Big Twins Part #:727A They have both 12mm and

They have both 12mm and 18mm O2 sensor bungs and block-off plugs to fit all late-model bikes

They’re made of top grade materials with

718E-1 Replacement hanger bracket for #733-1 series pipe sets

The black high-heat powderpaint finish with rough welded seams confer a ‘handmade’ look

B758 Same as Paughco #758 but gloss black (OEM 60572-36) not shown

Exhaust Pipes For Flathead Big Twins Part #:727A They have both 12mm and1 3 4" Exhaust Pipes For Flathead Big Twins Use Paughco #725D clamps to install. 717B Upsweep shotgun headpipes ONLY for use with extensions or universal mufflers 727B Headpipes ONLY for use with extensions or universal mufflers 727 34" long Slash Cut drag pipes 727A 34" long Goose Cut drag pipes Special Notes: 1) Drag pipes are not recommended for street use. 2) See page 247 for P clamps and frame rail clamps to install these pipe sets.