Description
- Overview
- Vehicle Fitment
- Delivery
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
- Developed through championship off-road racing experience
- Advanced noise reduction technology; max sound output of 96dB, with most models below 93dB
- Made from aircraft-grade aluminium for lightweight strength
- Incorporates high-strength stainless steel midpipe and endcap
- Designed for use with stock or FMF header systems
- Includes a screen insert spark arrestor
- Suitable for closed course use only
- Easy slip-on, single configuration
Specifications
- Item ID: 044301
- Exhaust Type: Slip-On
- Construction: Aluminium
- Finish: Natural
- Midpipe: Stainless Steel
- Endcap: Stainless Steel
- Spark Arrestor: Screen Insert (included)
- Weight: 6.2 lbs (2.81 kg)
- Configuration: Single
- Carb Warning: Not applicable
Vehicle Fitment
Yamaha
- YFZ450R (2009–2022)
- YFZ450X (2010–2011)
- Overview
- Vehicle Fitment
- Delivery
Dispatch Times
Local Stock: Dispatches in < 24 hours
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
Supplier Stock: Dispatches in 2-4 Days
Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".
OEM Special Order: Dispatches in 3-10 Days
This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts.
Delivery Times
Ireland & Northern Ireland:
1-2 Days using GLS/An Post
Germany, France, Netherlands, Belgium:
3-5 Days using GLS/Fedex
Italy, Spain & Other EU Countries:
4-7 Days using GLS/Fedex
| Make * | Model * | CC * | Year From | Year To |
|---|---|---|---|---|
| Yamaha | YFZ R | 450 | 2009 | 2020 |
| Yamaha | YFZ | 450 | 2009 | 2020 |
| Yamaha | YFZ X | 450 | 2010 | 2011 |
Dispatch Times
Local Stock: Dispatches in < 24 hours
Parts showing as available at our Warehouse in Gorey ship the same business day if ordered before 1pm.
Supplier Stock: Dispatches in 2-4 Days
Parts showing as available at our Supplier Warehouse are ordered from our supplier and delivered to us before we can dispatch. More info is available on this page under "Stock Availability".
OEM Special Order: Dispatches in 3-10 Days
This website does not have access to live stock levels from our OEM Suppliers. In most cases the parts will be available but in the case of backordered parts we will notify you. We receive parts from Yamaha in 3-4 days, All others including Honda, Suzuki, Kawasaki, Polaris please allow 7-10 days for us to receive the parts.
Delivery Times
Ireland & Northern Ireland:
1-2 Days using GLS/An Post
Germany, France, Netherlands, Belgium:
3-5 Days using GLS/Fedex
Italy, Spain & Other EU Countries:
4-7 Days using GLS/Fedex
