Description
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
