FMF Racing Q4 Off-Road Silencer - Yamaha WR-450 F / YZ-450 F (2003-2006)

FMF Racing off-road muffler

The FMF Racing off-road muffler has been specifically developed for the Yamaha WR-450 F / YZ-450 F (2003-2006). It replaces the original part and fits without modifications.

Specifications

• Style: Oval
• Weight: 2.86 kg (6.3 lb)
• Pipe material: Stainless steel
• Quantity: Each
• Riding style: Adventure / Dual-Sport, Off-road
• End cap material: Stainless steel
• Weight Metric: 2.86 kg
• Type: Slip-On
• Base color: Silver
• Muffler color: Raw
• Weight Imperial: 6.3 lb
• Product name: Muffler
• End cap style: Conical
• Model: Q4
• Muffler material: Aluminum

Fits

• Yamaha WR-450 F 2003-2006
• Yamaha YZ-450 F 2003-2006

Why choose FMF Racing?

FMF Racing has been building exhausts and motorcycle parts in California for 50+ years. The brand is dominant in AMA Supercross, Motocross, and Off-Road racing and delivers performance parts for riders at every level.

Frequently asked questions

Does this fit my motorcycle?
This part fits the Yamaha WR-450 F / YZ-450 F model years 2003-2006. If you are unsure about your specific model, send us a message with the frame or type number, and we will check it for you.

What's in the box?
The delivery consists of one unit.

How quickly will it be delivered?
Products in stock are shipped within 1-2 business days from the Netherlands to NL and BE.

English

FMF Racing Mufflers For Offroad

Q4 Slip-On Muffler

• The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
• Less mass to enhance power-to-weight ratio
• Quiet power with minimal sacrifice for performance
• Developed over years of championship off-road racing
• Twin-stage core design for lower sound output and extended life of packing material
• Comes standard with spark arrestor
• NOTE: Will not pass 2025 FIM sound regulation

Specifications

• Style: Oval
• Weight: 2,86 kg (6,3 lb)
• Pipe Material: Stainless Steel
• Units: Each
• Riding Style: Adventure Touring / Dual-Sport, Off-Road
• End Cap Material: Stainless Steel
• Weight Metric: 2.86 kg
• Type: Slip-On
• Base Color: Silver
• Muffler Color/Finish: Raw
• Weight Imperial: 6.3 lb
• Product Name: Muffler
• End Cap Style: Conical
• Model: Q4
• Muffler Material: Aluminum

Fits

• Yamaha WR-450 F 2003-2006
• Yamaha YZ-450 F 2003-2006

Why FMF Racing?

FMF Racing has been building exhausts and motorcycle parts in California for 50+ years. The brand dominates in AMA Supercross, Motocross and Off-Road racing, delivering performance parts for riders at every level.

We appreciate your business and are committed to providing you with exceptional service and timely delivery. Please review the shipping information below for your order.

Order Processing Time:

Orders are usually processed within 24-48 hours after the order has been placed.
Custom or special order items may take longer to process, typically 3-5 business days.

Shipping Methods:

Standard Shipping (3-7 business days)
Expedited Shipping (2-3 business days)
Express Shipping (1-2 business days)

Packaging:

Rest assured that all items will be securely and safely packaged to prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.

Shipping Rates:

Shipping rates vary based on the size, weight, and destination of the package. You can view the estimated shipping costs for your order during the checkout process before placing your order.

Order Tracking:

Once your order has been shipped, you will receive an email with the tracking number and carrier information. You can also track your order status by logging into your account.

International Shipping:

We ship worldwide! Please note that international shipping rates and delivery times may vary based on destination. Customers are responsible for any customs fees, import taxes, or additional charges that may apply.