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FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565

  • Part #:
    436439
  • Manufacturer Part #:
    045565

MSRP Price: $379.99

Our Price: $341.99

You Save:
$38.00 (10%)
1 on Hand

Overview of FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565

  • The FMF Q has always been in a league of its own and our latest Q4 HEX is the most significant upgrade to date
  • You do not need to settle for a plugged up moto muffler hampered by an insert when you can have a compliant muffler engineered for performance
  • Less sound equals more ground
  • Meets USFS and FIM World Enduro sound regulations
  • Power gains throughout the entire rpm range
  • Spark arrestor included
  • Pounds lighter than stock
  • Rugged design for off-road endurance
  • Only US manufacturer to offer dedicated quiet exhaust systems
  • Made in the U.S.A.
  • Can be used with FMF or Stock OEM Header


  • Type: Slip-On
    Configuration: Single
    Const: Aluminum
    Finish: Natural
    Midpipe: Stainless Steel
    Endcap: Stainless Steel
    Spark Arrestor: Screen Insert (included)
    Quiet Insert: 94dB Insert (included)

Specs for FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 6.25 lbs

Specs for FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 6.25 lbs

Fitment for FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565

See if this part fits your ride

Part 436439 fits the following machines

Husqvarna
  • 2015 Husqvarna FC250
  • 2014 Husqvarna FC250
  • 2016 Husqvarna FC350
  • 2015 Husqvarna FC350
  • 2014 Husqvarna FC350
  • 2015 Husqvarna FC450
  • 2014 Husqvarna FC450
  • 2016 Husqvarna FE501
  • 2015 Husqvarna FE501
  • 2014 Husqvarna FE501
  • 2016 Husqvarna FE501S
  • 2015 Husqvarna FE501S
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Instructions and Manuals for FMF Stainless/Aluminum/Stainless Q4 S/A HEX Muffler - 045565