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FMF Factory 4.1 RCt Ti Exhaust System | 042381

FMF SKU: 79-42381
Regular price



We take fun seriously so we 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
  • Choose between titanium and stainless steel header
  • Customize with tuning inserts and spark arrestor
Notice:Closed Course Use Only
Item ID:042381
Finish:Blue Anodized
Midpipe:Stainless Steel
Endcap:Stainless Steel
Spark Arrestor:Screen Insert (included)
Carb Warning:no
Quiet Insert:Quiet Insert (sold separately)
Header Const:Stainless Steel