YAMAHA

WR450F 2020

FMF: 044463

Description: FMF is the leader in high performance quiet technology and our 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

Notice: Closed Course Use Only

Item ID: 044463

Type: Slip-On

Configuration: Single

Construction: Aluminium

Finish: Natural

Midpipe: Stainless Steel

Endcap: Stainless Steel

Spark Arrestor: Screen Insert (included)

Carb Warning: Yes

Quiet Insert: Included


YAMAHA

WR450F 2020

FMF: 044463

Description: FMF is the leader in high performance quiet technology and our 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

Notice: Closed Course Use Only

Item ID: 044463

Type: Slip-On

Configuration: Single

Construction: Aluminium

Finish: Natural

Midpipe: Stainless Steel

Endcap: Stainless Steel

Spark Arrestor: Screen Insert (included)

Carb Warning: Yes

Quiet Insert: Included



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