FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

    FMF Factory 4.1 Natural Titanium Slip-On Muffler - 045221

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    FMF Factory 4.1 Natural Titanium Slip-On Muffler

    • 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
    Specifications
    Mfg #: 045221
    Part #: 433964
    Type Muffler/Silencer w/o Spark Arrestor
    Units Each
    Weight 5.70 lbs
    Vendor Part Number(s):
    18310413
    Alternate/OEM Part Number(s):
    18310413
    Resources & Manuals
    Fitment for FMF Factory 4.1 Natural Titanium Slip-On Muffler

    Part 433964 fits the following machines

    KTM
    Reviews & Questions