FMF Q4 Slip-On Muffler for 2020–2025 Beta Four Stroke Models

FMF is the leader in high performance quiet technology and our Q4 is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material making it the best performing quiet muffler available. With the Q4 you don’t need to hear the power, just feel the power!

Features: 

• Less sound equals more ground
• Meets FIM World Enduro sound regulations
• Max Sound output 96dB; most models below 93dB
• Power gains throughout the entire rpm range
• Spark arrestor included
• Pounds lighter than stock
  
• Constructed from aircraft grade aluminum and high strength stainless steel
• Rugged design for off-road endurance
• Made in the U.S.A.

Fitment:

Fitment Note:  This muffler can be used with either the Stock OEM Header or a FMF header.  

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Part Number:  045667