FMF Factory 4.1 Mini Full Exhaust System

Item Number: 327441


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Product Description

FMF Racing

FMF Factory 4.1 Mini Full Exhaust System

FMF takes fun seriously so they built the Mini Factory 4.1. This is an all out performance exhaust for play bikes. With the Mini Factory 4.1, you will be the king of backyard motocross and look great doing it!

  • Superior power on stock and big bore motors
  • Customize with tuning inserts and spark arrestor

Spec Details
Country of Origin USA
Header Hi-Flo
Header Construction Stainless Steel
Muffler Sleeve Titanium
Spark Arrestor Insert (sold separately)

Vehicle Fitment

Fitment is guaranteed or your money back plus free return shipping. Don't waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.


  • CRF50F 2004-2009, 2011-2014
  • XR50R 2000-2003


  • KLX110 2002-2016
  • KLX110L 2010-2016


  • DR-Z110 2003-2005


  • TT-R110E 2008-2009, 2011-2014
  • TT-R125 2000-2005
  • TT-R125L 2000-2008

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