FMF Powercore 4 SA Muffler

  • Part #: 434840
  • Manufacturer Part #: 045271
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Overview of FMF Powercore 4 SA Muffler

  • Computer designed, then dyno tested for each 4-stroke model listed
  • The highest-flowing exhaust system offered means top performance
  • Trademarked Square Core inner design has a larger surface area then old-style round cores
  • Stainless steel mid-pipe mates to the computer-designed aluminum rear can; elliptical aluminum canister for peak performance
  • Depending on the machine, square or round perforated steel inner cores create optimum flow with Hi-Flo technology
  • It all adds up to greatly improved flow and substantial power gains
  • Substantial weight reduction when compared to stock

Included Items:
(1) Muffler
(1) 8x80mm Bolt
(1) 6x35mm Bolt
(1) Long Spacer
(1) Short Spacer
(1) 6mm Nut
(1) Clamp
(1) Cable tie
(1) Instructions


Specs for FMF Powercore 4 SA Muffler

Fitment for FMF Powercore 4 SA Muffler

Part 434840 fits the following machines

See if this part fits your ride

2010 Polaris Outlaw 450 MXR
2009 Polaris Outlaw 450 MXR

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Instructions and Media for FMF Powercore 4 SA Muffler

Instructions - PDF Instructions - PDF Instructional PDF
Owners Manual - PDF Owners Manual - PDF Manual PDF