Q4 Exhaust Silencer 09-22 Yamaha YFZ 450 R X - FMF 044301
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The FMF Q4 044301 exhaust is engineered for off-road enthusiasts seeking maximum performance with minimal noise. Designed with innovative chambers, baffles, and a proprietary multi-stage packing, the Q4 delivers championship-level power while significantly reducing sound output. Constructed from aircraft-grade aluminium and high-strength stainless steel, this slip-on muffler ensures durability and top-tier quiet performance without sacrificing power. Compatible with either stock or FMF headers, it allows riders to experience true performance discreetly. Features include advanced noise reduction technology with a maximum sound output of 96dB, made from aircraft-grade aluminium, high-strength stainless steel midpipe and endcap, designed for use with stock or FMF header systems, includes a screen insert spark arrestor, and is suitable for closed course use only. Specifications include item ID 044301, slip-on exhaust type, aluminium construction with a natural finish, stainless steel midpipe and endcap, screen insert spark arrestor, weight of 6.2 lbs (2.81 kg), and a single configuration.
- SKU
- 06-434.FMF.Q4
- Brand
- FMF Exhausts
- Availability
- In Stock (2)
Fitments (42)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YFZ 450 | 2009 |
| YAMAHA | YFZ 450 | 2010 |
| YAMAHA | YFZ 450 | 2011 |
| YAMAHA | YFZ 450 | 2012 |
| YAMAHA | YFZ 450 | 2013 |
| YAMAHA | YFZ 450 | 2014 |
| YAMAHA | YFZ 450 | 2015 |
| YAMAHA | YFZ 450 | 2016 |
| YAMAHA | YFZ 450 | 2017 |
| YAMAHA | YFZ 450 | 2018 |
| YAMAHA | YFZ 450 | 2019 |
| YAMAHA | YFZ 450 | 2020 |
| YAMAHA | YFZ 450R | 2009 |
| YAMAHA | YFZ 450R | 2010 |
| YAMAHA | YFZ 450R | 2011 |
| YAMAHA | YFZ 450R | 2012 |
| YAMAHA | YFZ 450R | 2013 |
| YAMAHA | YFZ 450R | 2014 |
| YAMAHA | YFZ 450R | 2015 |
| YAMAHA | YFZ 450R | 2016 |
| YAMAHA | YFZ 450R | 2017 |
| YAMAHA | YFZ 450R | 2018 |
| YAMAHA | YFZ 450R | 2019 |
| YAMAHA | YFZ 450R | 2020 |
| YAMAHA | YFZ 450R | 2021 |
| YAMAHA | YFZ 450R | 2022 |
| YAMAHA | YFZ 450X | 2010 |
| YAMAHA | YFZ 450X | 2011 |
| YAMAHA | YFZ R 450 | 2009 |
| YAMAHA | YFZ R 450 | 2010 |
| YAMAHA | YFZ R 450 | 2011 |
| YAMAHA | YFZ R 450 | 2012 |
| YAMAHA | YFZ R 450 | 2013 |
| YAMAHA | YFZ R 450 | 2014 |
| YAMAHA | YFZ R 450 | 2015 |
| YAMAHA | YFZ R 450 | 2016 |
| YAMAHA | YFZ R 450 | 2017 |
| YAMAHA | YFZ R 450 | 2018 |
| YAMAHA | YFZ R 450 | 2019 |
| YAMAHA | YFZ R 450 | 2020 |
| YAMAHA | YFZ X 450 | 2010 |
| YAMAHA | YFZ X 450 | 2011 |
- General Product Group
- Exhaust Systems & Parts
- General Product Type
- Silencer
- Variant Id
- 209895
FULL DESCRIPTION
FMF Q4 Exhaust Silencer
The FMF Q4 Exhaust Silencer is engineered for off-road performance while minimizing sound output. This slip-on muffler features innovative chambers, baffles, and a proprietary multi-stage packing designed to deliver championship-level power discreetly.
Constructed from durable aircraft-grade aluminum and high-strength stainless steel, the Q4 offers robust performance for demanding off-road conditions. It is designed to integrate seamlessly with either stock or FMF header systems, providing riders with enhanced performance without compromising noise levels.
Key Features:
- Developed through extensive championship off-road racing experience.
- Advanced noise reduction technology, typically operating below 93dB and never exceeding 96dB.
- Lightweight yet strong construction using aircraft-grade aluminum.
- Includes a high-strength stainless steel midpipe and endcap for enhanced durability.
- Designed for compatibility with stock or FMF header systems.
- Comes with a screen insert spark arrestor for safety.
- Suitable for closed-course competition use only.
- Features a simple slip-on, single configuration for easy installation.
Specifications:
- Exhaust Type: Slip-On
- Construction Material: Aluminum
- Midpipe Material: Stainless Steel
- Endcap Material: Stainless Steel
- Spark Arrestor: Included (Screen Insert)
- Weight: Approximately 6.2 lbs (2.81 kg)
- Configuration: Single
QUESTIONS? JUST ASK
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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.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. 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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