- Stepped headers merge into a true reverse-cone 4" Megaphone Can muffler
- 1-3/4 in. headpipe steps up to 1-7/8 in. into the collector to increase flow and improve performance
- Removable spiral-core louvered baffle included
- 18mm and 12mm O2 Ports with adapters and plugs
- Includes mounting hardware
- 3-piece shields included
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