- 4″ reverse-cone megaphone muffler body with matching billet end cap
- 1-3/4 head pipe steps up to 1-7/8 into the collector to increase flow and improve performance
- Removable spiral-core louvered baffle included
- Features hand MIG welding
- 18mm and 12mm O2 ports with adapters and plugs
- Includes mounting hardware and full heat shields
- Made in the U.S.A.
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