Need Assistance?
Legendary Service... Ask Your Friends - Since 1969
800.969.7501
Over 160K Powersport Items - In-Stock and ready to ship today! View tires, apparel, helmets, exhaust and more!

FMF Q4 HEX Spark Arrestor Muffler - 044413

  • Part #:
    436174
  • Manufacturer Part #:
    044413

MSRP Price: $379.99

Our Price: $341.99

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

Overview of FMF Q4 HEX Spark Arrestor Muffler - 044413

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 dont 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 USA
  • Can be used with FMF or Stock OEM Header


Note:For Closed Course Competition Use Only. Not Intended for Street Use.

Specs for FMF Q4 HEX Spark Arrestor Muffler - 044413

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.30 lbs

Cross reference number(s):

18211538

Specs for FMF Q4 HEX Spark Arrestor Muffler - 044413

Color - Primary Silver
Style Canister Muffler
Type Muffler/Silencer w/Spark Arrestor
Units Each
Weight 8.30 lbs

Fitment for FMF Q4 HEX Spark Arrestor Muffler - 044413

See if this part fits your ride

Part 436174 fits the following machines

Yamaha
  • 2018 Yamaha WR450F
  • 2017 Yamaha WR450F
  • 2016 Yamaha WR450F
  • 2017 Yamaha YZ450F
  • 2016 Yamaha YZ450F
  • 2015 Yamaha YZ450F
  • 2014 Yamaha YZ450F
  • 2018 Yamaha YZ450FX
  • 2017 Yamaha YZ450FX
  • 2016 Yamaha YZ450FX
There are no reviews for this item. Write Review
Start typing your question and we'll check if it was already asked and answered. Learn More
No questions have been asked about this item. Be the first!

Instructions and Manuals for FMF Q4 HEX Spark Arrestor Muffler - 044413