FMF RACING

When designing the PowerCore4, we looked at our top of the line products to deliver race-inspired performance at an economical price. The end result is a quality muffler with improved torque,...

FMF Racing 23" Trailer Sticker Yellow & Red Individual 

Aluminum Muffler Sleeve  Year Make Model ...

Bring your FMF exhaust back to life with FMF Replacement Decals. Designed to match the original graphics found on FMF mufflers and silencers, these factory-quality stickers are perfect for replacing...

Now offering complete end cap rebuild kits. Whether it be for a Powercore 4, Q4, Factory 4.1 or the new RCT we have you handled. The kit includes Stainless Steel, Titanium, or Carbon Fiber (RCT Only)...

The Mini Powercore 4 is the best bang for your buck performance bolt on for your mini. Offered as a standard Mini Powercore 4, Closed Course Big Bore System or as a Spark Arrestor Version, the Mini...

Refresh your exhaust system with the FMF O-Ring Rebuild Kit, designed specifically for KTM 125–300 2-stroke models from 2005 to 2025. This kit includes high-quality replacement O-rings built to...

Did you know a freshly packed silencer or muffler actually restores power?Our Performance Packing is comprised of fine, blended interwoven fiberglass fibers made to FMFÂ’s specifications for high...

Bring your FMF exhaust back to life with FMF Replacement Decals. Designed to match the original graphics found on FMF mufflers and silencers, these factory-quality stickers are perfect for replacing...

Keep your ride looking fresh with this FMF replacement decal! Whether you’re replacing a worn-out sticker or just want to add some new flair to your bike or gear, this decal is made from premium,...