Description
If you’re looking to unlock measurable gains in power and torque while maintaining reliability in demanding conditions, the FMF PowerCore 4 HEX Muffler delivers the flow efficiency that separates performance exhausts from the rest. This isn’t about noise for noise’s sake—the engineering behind the Hi-Flo internal core and Space Age packing material means you get enhanced scavenging that translates directly to better engine breathing and increased output. Built tough with stainless steel and aluminum construction, it’s designed to handle extended use on track or trail without sacrificing longevity.
- Stainless steel construction
- Aluminum core body
- Hi-Flo internal geometry
- Space Age packing material
- Removable spark arrestor
- Enhanced exhaust scavenging
- Bolt-on installation
- Increased power output
- Increased torque delivery
- MPN: 042308






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