ZINC PLATED

1922-1930 all H-D (Excl

Includes a foam filter element

Fitting threads type: OEM style 3/8-24 inverted flare

Fixed single fire and selectable single/dual plug

4" 2:1 Fat Shot System, Chrome Sadel/Seats ZINC PLATED06 11 Dyna Famous proven tunable disc based performance. Add or subtract discs to optimize power and sound 1. 75" primaries flow into 2. 5" true collector for huge torque gains 3. 5" muffler body flares out to 4" 2. 5" performance core with 'pillow pack' insulation Supplied with discs, closed end cap and trim ring Include detailed instructions and all necessary mounting hardware Add 4 discs to increase horsepower, exhaust tone and flow Subtract 4