20-21 Beta 350-480RR Q4 Hex, FMF 045667, Quietcore 4

BETA

• 350RR 2020-2021
• 390RR 2020-2021
• 430RR 2020-2021
• 480RR 2020-2021

FMF 045667

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

Specifications:

• Item ID: 045667
• Type: Slip-On
• Configuration: Single
• Construction: Aluminium
• Finish: Natural
• Midpipe: Stainless Steel
• Endcap: Stainless Steel
• Spark Arrestor: Screen Insert (included)
• Carb Warning: No
• Quiet Insert: 94dB Insert (included)