FMF Dirt Bike Parts: Fuel and Air Intake Systems

FMF Dirt Bike Parts: Exhaust

FMF Dirt Bike Parts: 4-Stroke Exhaust

FMF Dirt Bike Parts: Exhaust Tools and Accessories

FMF Dirt Bike Parts: Fuel and Air Intake Systems

FMF Dirt Bike Parts: Carburetor Jets

FMF Dirt Bike Parts: Fuel Controllers

FMF Dirt Bike Parts: Intake

Latest FMF Reviews – You could win up to $500 for reviewing products!

  • FMF Gold Series Pipe, "Gnarly Torque"

    FMF Gold Series Pipe, "Gnarly Torque"

    jeromy in NE

    nice

    Lots of flashy bling. Nice & sturdy wall thickness. Enjoyed the noticeable low end torque increase since I ride in tight, technical places almost exclusively.

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  • FMF Hex Q4 S/A Silencer

    FMF Hex Q4 S/A Silencer

    JEFF in CO

    14 yz 250f

    This pipe is nice and quiet. It seems to choke the bike up a bit. I haven't fine tuned the EFI yet. The fit and finish is very good, but it's about six inches longer than the stock pipe and will probably get damaged in a crash on the right side.

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  • FMF Power Core 4 Hex S/A Silencer

    FMF Power Core 4 Hex S/A Silencer

    Sam in CO

    Great pipe for a great price

    If you've mangled your pipe in a crash, look no further. This is a great pipe at a great price. I can't say one way or another about any power increase as I've never ridden my bike with an OEM pipe, but I wouldn't hesitate to buy FMF again. Only complaint is that the "graphics" on the pipe scratch very easily and the graphics on one side peeled completely off.

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  • FMF 4-Stroke Silencer Packing

    FMF 4-Stroke Silencer Packing

    MATT in CA

    Packing works

    Works good, doesn't burn out quick

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  • FMF Factory-4.1 RCT Stainless Steel Silencer

    FMF Factory-4.1 RCT Stainless Steel Silencer

    jeromy in NE

    instant performance upgrade

    Besides the coolest exhaust note yet: this along with the FMF Grunt added imediate & noticable improvement in the throttle response & low end for my bike over the stock silencer. I hope I don't have to but I'd purchace it again. I typed FMF grunt when meaning FMF Snap.

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  • FMF Power Core 4 Hex Replacement Spark Arrestor Screen

    FMF Power Core 4 Hex Replacement Spark Arrestor Screen

    Roger in IN

    Good replacement

    I put a little too much permanent flex on the muffler at the header pipe and the screen caught the excess at start up. It torn a hole in it so I had to replace it if I want to trail ride on DNR land

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