FMF exhaust Factory 4.1 RCT Yamaha YZ-450 F 2026

FMF Racing complete exhaust system off-road

The FMF Racing complete off-road exhaust system is specifically designed for the Yamaha YZ-450 F (2026). It replaces the original part and fits without modifications.

Specifications

• Quantity: Set
• End cap color: Black
• Model: Factory 4.1 RCT
• Design: Single Canister
• Muffler color: Anodized, Gray
• Pipe material: Stainless steel
• Features: Stainless Steel Collector
• End cap material: Carbon
• Riding style: Off-road
• Type: Full system
• End cap style: Conical
• Muffler material: Aluminium
• Style: Oval
• Product name: Exhaust System

Fits

• Yamaha YZ-450 F 2026

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, delivering performance parts for riders at every level.

Frequently Asked Questions

Will this fit my motorcycle?
This part fits the Yamaha YZ-450 F model year 2026. If you're unsure about your specific model, send us a message with the frame or type number, and we'll check it for you.

What's included in the package?
The delivery consists of one set.

How fast will it be delivered?
Products in stock 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 SYSTEMS

• FACTORY 4.1 RCT EXHAUST SYSTEMS
• The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally.
• In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving the muffler closer to the motor to centralize mass.
• The Factory 4.1 RCT is constructed from only aerospace grade materials that meet our exacting specifications and is manufactured 100% at our Southern California factory.
• NOTE: Will not pass 2025 FIM sound regulation

Specifications

• Units: Kit
• End Cap Color/Finish: Black
• Model: Factory 4.1 RCT
• Design/Configuration: Single Canister
• Muffler Color/Finish: Anodized, Gray
• Pipe Material: Stainless Steel
• Features: Stainless Steel Collector
• End Cap Material: Carbon Fiber
• Riding Style: Off-Road
• Type: Full System
• End Cap Style: Conical
• Muffler Material: Aluminum
• Style: Oval
• Product Name: Exhaust System

Fits

• Yamaha YZ-450 F 2026

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.