Cuts Through the Worst Mud, Fast
Mud Melter's formula breaks down caked-on dirt, clay, and trail grime without scrubbing. Spray it on, let it work, rinse it off — your bike is clean before the next moto.
FMF Racing Yamaha YZ250F/YZ450F 06-09 /WR250F 07-13/WE450F 07-11 Anod SS Fact 4.1 SO Muffler
$499.99
Regular price
$499.99
Sale price
$499.99
Regular price
$499.99
Unit price
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The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath Racing. The Powerbomb header is made of durable stainless steel to withstand any abuse.
- Available in natural or blue anodized finish
- Horsepower gains throughout RPM range
- 94dB insert included
FMF Racing Yamaha YZ250F/YZ450F 06-09 /WR250F 07-13/WE450F 07-11 Anod SS Fact 4.1 SO Muffler
The Factory 4.1 exhaust system with the Powerbomb header is FMF's premier exhaust system. This system is perfect for the track or dunes, and is used by factory teams such as KTM, Epic Can-Am and Rath Racing. The Powerbomb header is made of durable stainless steel to withstand any abuse.
- Available in natural or blue anodized finish
- Horsepower gains throughout RPM range
- 94dB insert included
ATTRIBUTES: false, false, false, Unknown, powersports, Compliant, false, t, 1
BRAND: FMF Racing
MPN: 044235
SKU: 686691
Fitment:
Yamaha WR250F Base 2007 to 2013
Yamaha WR450F Base 2007 to 2011
Yamaha YZ250F Base 2006 to 2009
Yamaha YZ450F Base 2006 to 2009
| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Ltl Freight Required: false |
| Prop 65: Unknown |
| Part Type: powersports |
| Epa: Compliant |
| Carb Acknowledgement Required: false |
| Regular Stock: t |
| Units Per Sku: 1 |
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Bikes
500+ cleaned
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Race seasons
10+ tested
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Satisfaction
100%
Safe on Every Surface
Formulated to be tough on mud but gentle on plastics, rubber, bearings, and graphics. No harsh solvents, no damage — just a clean bike ready for the next ride.
Made in a Real Race Shop
We didn't hire a marketing team to invent a product. We built Mud Melter because nothing else worked well enough on the bikes we were actually racing and rebuilding.
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