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2021 POLARIS RZR XP 4 1000
Delete this machine from profileSelect this machine2018 POLARIS RZR S4 900
Delete this machine from profileSelect this machine2016 KTM 350 XCF-W Six Days
Delete this machine from profileSelect this machinePower, performance, and personality – a new dirt bike exhaust can give you that and more, especially if it’s from FMF. The racer-borne, rider-run company knows what it takes to make your bike fly, and their exhaust systems and products are made from the highest-quality parts with an intense attention to detail, incredible level of craftsmanship, and high standard of performance. Whatever stroke you’re riding, there’s an FMF dirt bike exhaust option for you.
In fact, that’s what sets FMF apart from their competition – options. Part of what makes FMF so unique and affordable is their modularity; you can buy what you need and save on what you don’t. With a customized FMF setup, you can get the right power, look, and feel for your bike. For 2-Strokes and 4-Strokes , we carry top pipes, silencers, and slip-on systems like:
The quality you need at the price you want – FMF offers high-performing, affordable exhaust upgrades for your dirt bike.

Jon in ID
Great upgrade from stock beta 300 race pipe. Power throughout. Definitely recommend.
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Ty in UT
Lost the old Springs for my FMF fatty these work just fine. Couldnt ask for more.
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Travis in CO
The header is great however it's frustrating that I can not get the end.
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Blake in ME
hands down the best sounding silencer in the woods!
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TYLER in KY
Works great for my KTM 250sxf and on my Pro Circuit exhaust on my KX250F.
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Robert in CA
This pipe was for a 2011 KTM 65sx. Fits perfectly. Performance is as expected, and I would recommend this to anyone with a smaller bore bike.
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