The world’s only complete 4” Muffler Indian Motorcycle performance system. Optimal horsepower & full range torque gains 2-step baffle from 2 ½” to 3” for optimum performance or optional quiet baffles 2.5” O.D. full-length, 1-piece 220 degree heavy duty 16 gauge heat shields O2 ports & plugs provided for early models Complete with mounting hardware and brackets Drag strip rumble
The world’s only complete 4” Muffler Indian Motorcycle performance system.
Optimal horsepower & full range torque gains
2-step baffle from 2 ½” to 3” for optimum performance or optional quiet baffles
2.5” O.D. full-length, 1-piece 220 degree heavy duty 16 gauge heat shields
O2 ports & plugs provided for early models
Complete with mounting hardware and brackets
Drag strip rumble
