FMF exhaust Factory 4.1 RCT Beta RR-350 4T / RR-390 4T 2020-2024

FMF Racing off-road exhaust muffler

The FMF Racing off-road exhaust muffler has been specifically developed for the Beta RR-350 4T / RR-390 4T / RR-430 4T, etc. (2020-2024). It replaces the original part and fits without modifications.

Specifications

• Type: Slip-On
• Muffler material: Titanium
• End cap material: Carbon
• Quantity: Each
• Model: Factory 4.1 RCT
• Material: Stainless steel, Titanium
• Riding style: Off-road
• Muffler color: Anodized Blue
• Product name: Muffler
• Pipe material: Stainless steel

Fits

• Beta RR-350 4T 2020-2024
• Beta RR-390 4T 2020-2024
• Beta RR-430 4T 2020-2024
• Beta RR-480 4T 2020-2024

Why choose FMF Racing?

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

Frequently Asked Questions

Will this fit my motorcycle?
This part fits the Beta RR-350 4T / RR-390 4T / RR-430 4T, etc., model years 2020-2024. 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 unit.

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

English

FMF Racing Mufflers For Offroad

Factory 4.1 RCT Slip-On Muffler

• The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externally
• In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their 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 their exacting specifications and is manufactured 100% at their Southern California factory
• Massive Power gains throughout the RPM range.
• Huge weight savings
• RTS (Rapid Tuning System)

Specifications

• Type: Slip-On
• Muffler Material: Titanium
• End Cap Material: Carbon Fiber
• Units: Each
• Model: Factory 4.1 RCT
• Material: Stainless Steel, Titanium
• Riding Style: Off-Road
• Muffler Color/Finish: Anodized Blue
• Product Name: Muffler
• Pipe Material: Stainless Steel

Fits

• Beta RR-350 4T 2020-2024
• Beta RR-390 4T 2020-2024
• Beta RR-430 4T 2020-2024
• Beta RR-480 4T 2020-2024

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.