

FMF RACING
FMF FACTORY 4.1 YAMAHA
Out of stock · stock as of Aug 28, 2026
Shipping calculated at checkout
30-day returns on unused parts
Details
The Factory 4.1 is FMF Racing's premier ATV performance exhaust. It is guaranteed to produce more horsepower throughout the entire RPM range. If performance is your priority, the Factory 4.1 is the exhaust for you. Titanium construction with durable stainless steel midpipe Used by Factory teams such as KTM, Epic Can-Am and Rath Racing Optional quiet insert or spark arrestor available Use with FMF Powerbomb or Megabomb, or stock header Type: Slip-On Construction:Titanium Finish: Natural Midpipe: Stainless Steel Endcap: Stainless Steel Spark Arrestor: Screen Insert (included) Quiet Insert included (94dB) Weight: 5.4 lbs. Notice: Closed Course Use Only
Specs
- Vehicle
- ATV/UTV
- Weight Lb
- 0.0
- Shipping Class
- standard


