Select Your Ride

1
2
3

FMF Q4 HEX Muffler 041578

Part Number: 18211952
FMF
(No reviews yet) Write a Review
SKU:
18211952
MPN:
041578
Condition:
New
Availability:
Ships Same Business Day
Weight:
7.50 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

Description

The FMF Q4 HEX Muffler delivers measurable power gains across your entire RPM range while cutting weight and keeping sound levels low enough to maintain ground clearance on technical terrain. Its multi-stage chamber design and proprietary packing material extract performance without sacrificing durability on demanding off-road conditions. If you're serious about extracting every bit of efficiency from your engine while reducing unsprung weight, this is the muffler built to do it.

  • Intricate multi-chamber design
  • Proprietary multistage packing
  • Power gains full RPM range
  • Integrated spark arrestor
  • Weight reduction vs. stock
  • CNC-engineered HEX construction
  • Off-road rugged design
  • Bolt-on installation
  • Made in U.S.A.
  • MPN: 041578
View AllClose

Specs

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

0 Reviews

View AllClose

Fitment

Fitment for FMF Q4 HEX Muffler 041578

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