Exhaust / Muffler

Exhaust Springs

Available in two styles and four sizes (measured on entire spring, not just body length): Standard Exhaust Spring A quality replacement spring for the stock exhaust spring Galvanized to preven...

FMF 2 Stroke Expansion Chambers

      With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve wh...

FMF 2 Stroke Powercore Silencers/Mufflers

      Powercore 2 - The Powercore 2 is the measure which others aim for. With its lightweight extruded aluminum oval canister mated to a perforated core, this silencer is a...

FMF 4 Stroke Full Exhaust System

      The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that ...

FMF 4 Stroke Header Pipes

      The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can bolt on a Megabomb with an existing FMF Racing slip on for as m...

FMF 4 Stroke Muffler Slip On

      The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that ...

FMF Muffler Packing

      Did you know a freshly packed silencer or muffler actually restores power? FMF Performance Packing is comprised of fine, blended interwoven fiberglass fibers made to...

PROGRIP Muffler Plug PG2550 / PG2560

PROGRIP Muffler Plugs Keeps dirt and water from entering while washing and minimizes corrosion over long periods of non use.  PG2550: Small for 2 Stokes PG2560:  Large for 4 Strokes P...

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