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FMF MUFFLER HEX Q4 S/A

$ 449.99

In stock

MUFFLER HEX Q4 S/A

Part #: 18211837

FMF quality guaranteed.

Available for ship to store or drop ship.


Free Shipping on New Part orders over $100

FMF MUFFLER HEX Q4 S/A

Product Specifications

Part Number

18211837

MPN

18211837

Brand

FMF

Get the performance you need with the FMF MUFFLER HEX Q4 S/A, available now at Knobtown Cycle. Kansas City’s trusted source for quality motorcycle parts.

Product Description

MUFFLER HEX Q4 S/A

  • The Q4 employs intricate chambers, baffles and proprietary multistage packing material
  • With the Q4 you don’t need to hear the power, just feel the power!
  • Less sound equals more ground
  • Power gains throughout the entire rpm range
  • Spark arrestor included
  • Pounds lighter than stock
  • Rugged design for off-road endurance
  • Made in the U.S.A.

Part Locations

Location Available
Wisconsin (WI) 3
New York (NY) 1
Texas (TX) 2
Nevada (NV) 2
North Carolina (NC) 0
National Total 8

Stock levels last updated: January 2, 2026 9:29 AM

Professional Installation Available

Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.


Thank you for Shopping at Knobtown Cycle!

When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.

Kit Fox – Owner Knobtown Cycle

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Need help with installation?  Our Service Department based in Kansas City, Missouri is here for you.  Fill out a Service Request and lets get you rolling!