PowerCoreS mufflers are computer designed then dyno and rider tested for every application. All of these mufflers have a square, perforated stainless steel inner core which provides optimum flow and an authoritative sound thanks to FMF’s Hi-Flo technology.

• The oval to round design provides optimum silencer volume combined with an exclusive Hi-Flo square core to produce it’s own unique sound.
• Internal square core uses Hi-Flo technology.
• Computer designed and dyno tested for every application.
• Substantial power gains over standard systems.
• FMF’s exclusive cross weave, multi-element muffler packing provides longevity and maximum sound disbursement.
• Modular end cap allows for a quick repack for optimum performance.
• All mufflers come with a titanium mid-pipe (if applicable) and mounting hardware.
• +++ FMF Racing street exhausts are intended for racing only and are not street legal, DOT approved, EPA approved and may also render the motorcycle illegal for use on public roads. +++