S&S Cycle

Mk45 4.5" MUFFLER REPLACEMENT PARTS

1. 4.5" Muffler Assembly Left, Chrome . . . . . . . . . . . . . . . . . . . 551-0020 ± Right, Chrome. . . . . . . . . . . . . . . . . . . 551-0021 ± Left, Black . . . . . . . . . . . . . . . . . . . . . 551-0022 Right, Black. . . . . . . . . . . . . . . . . . . . 551-0023 2. Endcap Thruster, Chrome. . . . . . . . . . . . . . . . . 550-0634A ± Thruster, Highlighted Machined. . . . . . . . . . . 550-0629A Tracer, Chrome. . . . . . . . . . . . . . . . . . 550-0636A ± Tracer, Highlighted Machined. . . . . . . . . . . . 550-0632A 3. Main Baffle Assembly, 4.5" Muffler. . . . . . . . . . 551-0007 4. dB reducer. . . . . . . . . . . . . . . . . . . . . 551-0026 5. Insulation, 4.5" Muffler. . . . . . . . . . . . . . . 551-0003 6. Button Head Cap Screw, Stainless, ¼"-20 X 3/8". . . . . 500-0441 7. Hardware Kit, Muffler Clamps And Screws (N/S). . . . . 551-0027

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142 Order 608-627-1497 S&S Late Models 1999–up ±

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