Skip to content
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Fmf

FMF Q4 HEX Muffler - 044442 Yamaha YZ 450 / WR 450 2018-2026

MPN: 044442 SKU: 1821-1837
Fmf

FMF Q4 HEX Muffler - 044442 Yamaha YZ 450 / WR 450 2018-2026

MPN: 044442 SKU: 1821-1837
Availability:
10 in stock, ready to be shipped
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. Specs End Cap Material Stainless Steel Muffler Color/Finish Raw Model Q4 HEX Riding Style Off-Road Muffler Material Aluminum Units Each Pipe Material Stainless Steel Product Name Muffler Type Slip-On
Original price $499.99 - Original price $499.99
Original price
$499.99
$499.99 - $499.99
Current price $499.99

Product Details

Features

  • 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.

Specs

End Cap Material Stainless Steel
Muffler Color/Finish Raw
Model Q4 HEX
Riding Style Off-Road
Muffler Material Aluminum
Units Each
Pipe Material Stainless Steel
Product Name Muffler
Type Slip-On

Product Description

Features

  • 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.

Specs

End Cap Material Stainless Steel
Muffler Color/Finish Raw
Model Q4 HEX
Riding Style Off-Road
Muffler Material Aluminum
Units Each
Pipe Material Stainless Steel
Product Name Muffler
Type Slip-On

Part Numbers
Store SKU MFR. Product # Availability
1821-1837 044442 In Stock
Fitment
This product is vehicle specific. Select your vehicle to confirm fitment.

This Product Fits

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

Features

  • 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.

Specs

End Cap Material Stainless Steel
Muffler Color/Finish Raw
Model Q4 HEX
Riding Style Off-Road
Muffler Material Aluminum
Units Each
Pipe Material Stainless Steel
Product Name Muffler
Type Slip-On