FMF Powercore 4 Exhaust 041017

If you're serious about 4-stroke performance, exhaust flow is non-negotiable—the FMF Powercore 4 directly addresses this by engineering a system that maximizes exhaust evacuation and unlocks measurable horsepower gains. Every component, from the hi-flo end cap to the stainless steel mid-pipe, has been computer-designed and dyno-tested to ensure you're getting genuine performance, not just louder noise. Whether you're chasing lap times or building a reliable trail bike, this exhaust delivers the durability and efficiency your engine deserves.

• Hi-flo end cap design
• Computer-designed geometry
• Dyno-tested performance
• Stainless steel mid-pipe
• Round perforated inner cores
• Exclusive cross-weave packing
• Elliptical aluminum can
• Lightweight construction
• Fits all 4-stroke applications
• Optional Quiet Core insert
• Screen spark arrestor available
• Zero flow interruption design
• Bolt-on installation
• MPN: 041017