FMF is the leader in high performance quiet technology and their Q4 HEX 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 USFS and FIM World Enduro sound regulations
• Power gains throughout the entire rpm range
• Spark arrestor included
• Pounds lighter than stock
• Rugged design for off-road endurance
• Only US manufacturer to offer dedicated quiet exhaust systems
• MADE IN THE USA

Please note: Image for reference. Correct product will be provided.

SPECIFICATIONS

Notice: Closed Course Use Only
Item ID: 044442
Type: Slip-On
Configuration: Single
Const: Aluminium
Finish: Natural
Midpipe: Stainless Steel
Endcap: Stainless Steel
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: Included
Weight: 5.7 lbs

BIKE FITMENT

YAMAHA

• WR450F 2019-2026
• YZ450F 2018-2026
• YZ450FX 2019-2026