2001 KTM
    520 EXC Racing 4-Stroke

    FMF Factory 4.1 RCT Stainless Steel Aluminum Slip-On Muffler - 044390

    FMF Factory 4.1 RCT Stainless Steel Aluminum Slip-On Muffler - 044390

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    FMF Factory 4.1 RCT Stainless Steel Aluminum Slip-On Muffler
    • Slip-on mufflers are customizable with performance tuning inserts and spark arrestor module (sold separately)
    • Slip-ons have titanium endcap
    • Meets AMA sound requirements on most models
    • RCT stands for Resonance Chamber Technology; creates an effect that lowers decibels and increases the life of muffler packing
    • Internal ducts in the chambers of the RCT system increase volume for improved exhaust flow, resulting in power gains throughout the entire range of power

    Included Items:
    (1) Muffler
    (1) Mid-Pipe
    (1) Spark arrestor
    (1) Spark arrestor ring
    (1) Muffler washing plug
    Mfg. Price Controlled Item
    Due to the manufacturer's advertising policy - this item is excluded from promotions and discounts details
    Specifications
    Color Silver
    Mfg #: 044390
    Part #: 435851
    Style Canister Muffler
    Type Muffler/Silencer w/o Spark Arrestor
    Units Each
    Weight 8.65 lbs
    Vendor Part Number(s):
    18211411
    Alternate/OEM Part Number(s):
    18211411
    Resources & Manuals
    Fitment for FMF Factory 4.1 RCT Stainless Steel Aluminum Slip-On Muffler

    Part 435851 fits the following machines

    Yamaha

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