• FMF

FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

  • Part #: 433964
  • Manufacturer Part #: 045221
  • Original Price: $359.96
  • Closeout Price: $242.97
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433964
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Overview of FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

  • All systems and slip-ons have a titanium or carbon fiber muffler with titanium end cap
  • Boosts low-mid torque, broader powerband, more over-rev
  • Customize with performance tuning inserts and spark arrestor module
  • Titanium slip-on muffler with titanium midpipe; same muffler as Factory 4.1 system
  • Titanium slip-on muffler with stainless steel midpipe
  • Fits stock or FMF header - boosts low-mid torque, broader powerband, more over-rev
  • Features exclusive proprietary Chamber Core technology
  • Factory Forward Engineering centralizes mass, improves handling
  • All titanium construction - canister and end caps
  • Made from premium quality American materials
  • Customize with performance tuning inserts and spark arrestor module
  • Meets AMA sound requirements on most models

Included Items:
(1) Muffler
(1) Muffler hanger
(2) Springs
(1) Instructions

Specs

Type Muffler/Silencer w/o Spark Arrestor
Units Each
Weight 5.7 lbs

Specs for FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

Type Muffler/Silencer w/o Spark Arrestor
Units Each
Weight 5.7 lbs

Fitment for FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

Part 433964 fits the following machines

See if this part fits your ride

KTM
2012 KTM 450 XC
2010 KTM 450 XC
2009 KTM 450 XC
2008 KTM 450 XC
2012 KTM 525 XC
2010 KTM 525 XC
2009 KTM 525 XC
2008 KTM 525 XC

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Instructions and Media for FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

Instructions - PDF Instructions - PDF Instructional PDF
Owners Manual - PDF Owners Manual - PDF Manual PDF