FMF

Factory 4.1 muffler available in natural titanium or blue anodized titanium with titanium end capsThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrainWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrainWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrainWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a...

With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performanceThe Fatty broadens and smooths out the power curve while boosting gains throughout...

The Factory Fatty is reminiscent of the ?ǣworks?ǥ or cone pipe once used by Factory Teams and it shares many of the same characteristics with its? craftsmanship and material qualityBroadens and...

Power gains are focused toward bottom and mid, with a goal of increased tractabilityAn excellent off-road pipe, and a winner for tighter tracksBuilt with tough 18-gauge steel KTM -- 300 XC-W TPI --...

With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performanceThe Fatty broadens and smooths out the power curve while boosting gains throughout...

Pipe focuses its power delivery in the middle and upper RPM of the power bandIf you're running out of power up top, want more time between shifts and do a lot of deep berm or sand riding, the FMF Rev...

The Factory Fatty is reminiscent of the ?ǣworks?ǥ or cone pipe once used by Factory Teams and it shares many of the same characteristics with its? craftsmanship and material qualityBroadens and...

With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performanceThe Fatty broadens and smooths out the power curve while boosting gains throughout...

Based on the successful exhaust pipe used by pro riders19-gauge steel used on the header portion for optimum strength and durability; 20-gauge steel on body and rear section for increased weight...