Description
- Durable polished stainless steel body with a non-disc based design
- Low-restriction mechanical core design for superior flow
- Dramatic increase in torque and throttle response
- Deep throaty sound, yet 96 dB compliant
- Approved spark arrestor included
- Totally rebuildable core utilizing high-tech “Pillow Pack” packing
136-4400 made by Supertrapp
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