FMF exhaust Fatty Yamaha 2019-2026 (part no. 18201851)

FMF exhaust Fatty Yamaha 2019-2026 (part no. 18201851). The pipe replaces the original 2-stroke expansion chamber and connects to the silencer.

Features

• The Factory Fatty is reminiscent of the “works” or cone pipe once used by factory teams and it shares many of the same characteristics with its craftsmanship and material quality
• Broadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev
• No matter what type of riding you do, the Fatty has the benefits you’re looking for
• Lighter 20 gauge steel used for the body of the pipe
• 19 Gauge steel used for the header portion
• Hand pounded seams for smooth flow transitions
• NOTE: Will not pass 2025 FIM sound regulation

Specifications

• Brand: FMF Racing
• Part number: 18201851
• Type: Exhaust
• Material: Steel
• Quantity: Each
• Model: Factory Fatty
• Riding style: Off-road

Fits

• Yamaha (2019-2026)

Why choose FMF?

FMF Racing has been building exhausts in California since 1973 for motocross, enduro and off-road, for both 2-stroke and 4-stroke engines.

Frequently asked questions

Will this fit my bike?
Not sure about the fit? Send us a message with the make, model and year of your bike and we will check it for you.

How fast is delivery?
In-stock products are shipped from the Netherlands within 1-2 working days. Delivery time and shipping costs for your country are shown at checkout.

Anything in stock ships within 3 to 5 working days with tracking. Ordering something we source directly from the manufacturer? The delivery time is shown right on the product page. No fine print, no surprises. Seat Concepts seats are made to order for you in the USA; custom work takes around 6 weeks, and anyone who owns one will tell you it's worth the wait. Questions about a delivery time? Email info@femon.nl and you'll get an answer from someone who actually rides.