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FMF Factory 4.1 Muffler - 045540

  • Part #:
    436285
  • Manufacturer Part #:
    045540
This item is no longer available
Overview of FMF Factory 4.1 Muffler - 045540
The Factory 4.1 is FMF Racings premier performance exhaust. With 30 years of racing experience behind it, the Factory 4.1 takes advantage of everything we have learned on the race track.
  • Features stainless steel midpipe, natural titanium canister and stainless steel end cap
  • Horsepower gains throughout RPM range
  • Available with titanium or high strength stainless steel midpipe
  • 94dB Insert Included
  • Screen type spark arrestor included


Included Items:

(1) Muffler W/baffle

(1) Stainless steel mid-pipe

(1) Spark arrestor

(1) Exhaust plug

(1) 6mm-1 X 16mm Flange hex head bolt

(1) Aluminum spacer

(1) 6mm-1 X 50mm Flange hex head bolt

Instructions and a manual 

Specs for FMF Factory 4.1 Muffler - 045540

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.50 lbs

Alternate/OEM Part Number(s):

18211585
Specs for FMF Factory 4.1 Muffler - 045540
Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.50 lbs
Fitment for FMF Factory 4.1 Muffler - 045540

Part 436285 fits the following machines

Make Sure This Fits Your Ride
Husqvarna
  • 2011 Husqvarna TC250
  • 2010 Husqvarna TC250
  • 2012 Husqvarna TXC250
  • 2011 Husqvarna TXC250
  • 2010 Husqvarna TXC250
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Instructions and Manuals for FMF Factory 4.1 Muffler - 045540