$449.95
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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
Available in natural or blue anodized finish (depending on model)
Use with FMF Powerbomb or Megabomb, or stock header