2Bros Parts

Q4 Hex Exhaust Silencer 20-25 Beta RR 350 390 430 480 - FMF 045667

£423.77Only 1 left

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The FMF Q4 HEX S/A 045667 slip-on exhaust features advanced quiet technology for reduced sound and increased power across the full rpm range. It incorporates proprietary multistage packing, specially engineered chambers, and baffles. This exhaust is lightweight and durable, offering enhanced performance and a rugged, off-road-ready design. It meets USFS and FIM World Enduro sound regulations and includes a screen-type spark arrestor and a 94dB quiet insert. Construction includes an aluminium body with stainless steel midpipe and endcap. The finish is natural. Item ID: 045667. Type: Slip-On. Configuration: Single. Weight: 7.3 lbs. Made in the USA. Closed Course Use Only.

Specifications
SKU
06-9934.FMF.Q4H
Brand
FMF Exhausts
Availability
In Stock (1)

Fitments (28)

MakeModelYear
BETA350RR2020
BETA350RR2021
BETA350RR2022
BETA350RR2023
BETA350RR2024
BETA350RR2025
BETA390RR2020
BETA390RR2021
BETA390RR2022
BETA390RR2023
BETA390RR2024
BETA390RR2025
BETA430RR2020
BETA430RR2021
BETA430RR2022
BETA430RR2023
BETA430RR2024
BETA430RR2025
BETA480RR2020
BETA480RR2021
BETA480RR2022
BETA480RR2023
BETA480RR2024
BETA480RR2025
BETARR 3502020
BETARR 3502021
BETARR 3902020
BETARR 3902021
General Product Group
Exhaust Systems & Parts
General Product Type
Silencer
Variant Id
295574
Delivery2–4 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Q4 Hex Exhaust Silencer for Off-Road Motorcycles

The FMF Q4 HEX S/A slip-on exhaust system is engineered for off-road motorcycles, focusing on advanced quiet technology to significantly reduce sound output without sacrificing power. This exhaust system incorporates proprietary multistage packing, specially designed chambers, and baffles to achieve its performance and sound characteristics. It offers a lightweight yet highly durable construction, enhancing performance across the entire engine speed range. This makes it an excellent choice for riders who require both reduced noise levels and increased power, without compromising on endurance.

Key Features:

  • Features advanced quiet technology for superior sound reduction.
  • Meets USFS and FIM World Enduro sound regulations, ensuring compliance for various riding environments.
  • Designed to increase power output across the full rpm range.
  • Includes a screen-type spark arrestor and a 94dB quiet insert for customizable sound levels.
  • Constructed from lightweight materials, offering a significant weight saving compared to OEM exhaust systems.
  • Boasts a rugged design built for demanding off-road conditions.
  • Proudly made exclusively in the USA.
  • Important Notice: This product is intended for Closed Course Use Only.

Specifications:

  • Type: Slip-On Exhaust System
  • Configuration: Single Silencer
  • Silencer Construction Material: Aluminium
  • Silencer Finish: Natural Aluminium
  • Midpipe Material: Stainless Steel
  • Endcap Material: Stainless Steel
  • Spark Arrestor Type: Screen insert (included)
  • Quiet Insert: 94dB (included)
  • Approximate Weight: 7.3 lbs
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.

UK delivery is £4.99, or free on orders over £60. Orders ship within 3 working days, then delivery takes 2–4 business days. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

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