FMF exhaust Factory 4.1 RCT Yamaha WR-450 F / YZ-450 F 2023-2025

FMF Racing Full Exhaust System Offroad

The FMF Racing full exhaust system offroad is specifically developed for the Yamaha WR-450 F / YZ-450 F (2023-2025). It replaces the original part and fits without modifications.

Specifications

• End cap material: Carbon
• End cap color: Black
• Model: Factory 4.1 RCT
• Type: Race
• Riding style: Offroad
• Quantity: Each
• Muffler color: Anodized, Gray
• Muffler material: Aluminum
• Product name: Exhaust System
• Pipe material: Stainless steel

Fits

• Yamaha WR-450 F 2023-2025
• Yamaha YZ-450 F 2023-2025

Why choose 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.

Frequently Asked Questions

Will this fit my motorcycle?
This part fits the Yamaha WR-450 F / YZ-450 F model years 2023-2025. 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 included in the package?
The delivery consists of one each.

How fast is it delivered?
In-stock products are shipped within 1-2 business days from the Netherlands to NL and BE.

English

FMF Racing Systems For Offroad

Factory 4.1 RCT Exhaust System

• Incorporates FMF Resonance Chamber Technology™ both internally and externally
• Shorter overall length that is less susceptible to crash damage and complementary to Factory Forward Engineering, moving the muffler closer to the motor to centralize mass
• Constructed from only aerospace grade materials that meet exacting specifications and is manufactured 100% at the southern California factory
• Spark arrestor screen insert included
• 94dB insert included
• For closed course competition only
• NOTE: Will not pass 2025 FIM sound regulation

Specifications

• End Cap Material: Carbon Fiber
• End Cap Color/Finish: Black
• Model: Factory 4.1 RCT
• Type: Race
• Riding Style: Off-Road
• Units: Each
• Muffler Color/Finish: Anodized, Gray
• Muffler Material: Aluminum
• Product Name: Exhaust System
• Pipe Material: Stainless Steel

Fits

• Yamaha WR-450 F 2023-2025
• Yamaha YZ-450 F 2023-2025

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.