Select Your Ride

1
2
3

FMF Q4 HEX Muffler 044442

Part Number: 18211837
FMF
(No reviews yet) Write a Review
SKU:
18211837
MPN:
044442
Condition:
New
Availability:
Ships Same Business Day
Weight:
7.20 LBS
$449.99
Prop 65 Warning Prop 65 Warning cancer & reproductive harm Price Match Call for more info on price match does not include 3rd party ads
Frequently bought together:

Description

The FMF Q4 HEX Muffler delivers measurable power gains across the entire RPM range while significantly reducing weight—meaning you get real performance improvement without sacrificing durability. Its multi-stage chambered design and proprietary packing material optimize exhaust flow to maximize horsepower and torque, giving you the edge in competition or trail riding. Built for serious riders who demand both power and reliability, the Q4 combines aggressive performance with a rugged construction designed to withstand demanding off-road conditions.

  • CNC-machined hexagonal design
  • Multi-stage baffles and chambers
  • Proprietary packing material
  • Spark arrestor included
  • Full RPM range gains
  • Lighter than stock
  • Bolt-on installation
  • Off-road endurance rated
  • Made in U.S.A.
  • MPN: 044442
View AllClose

Specs

PIPE MATERIAL:
STAINLESS STEEL
PRODUCT NAME:
MUFFLER
TYPE:
SLIP-ON
END CAP MATERIAL:
STAINLESS STEEL
MODEL:
Q4 HEX
MUFFLER COLOR/FINISH:
RAW
RIDING STYLE:
OFF-ROAD
MUFFLER MATERIAL:
ALUMINUM
UNITS:
EACH
View AllClose

0 Reviews

View AllClose

Fitment

Fitment for FMF Q4 HEX Muffler 044442

View AllClose

FREE Shipping on orders of $99 or more!


Commercial Accounts

We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.



Easy 30-Day Returns

We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.


You May Also Like

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER