FMF Racing - FMF025241 - Fatty Gold Series Expansion Chamber

With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes 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.

• FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
• Carbon steel with a nickel plated finish for maximum durability
• Can be used with FMF or stock silencer; unless noted
• Provides power gains throughout entire power band
• More tractable power, improved throttle control
• FMF's most popular 2-stroke pipe
• O-Rings Included

The FMF Racing Fatty Gold Series pipe delivers race-proven performance backed by more than 35 years of racing experience. Designed to broaden and smooth the power curve, it provides gains throughout the power band, including increased low-end and mid-range power with improved over-rev.

The Fatty helps deliver more tractable power and improved throttle control for a wide range of riding styles. FMF Racing’s Tru-Flo stamping process is designed to provide a precise fit and optimum performance. The expansion chamber is constructed from carbon steel with a nickel-plated finish for durability and can be used with an FMF or stock silencer unless otherwise noted.

Key Features & Performance Benefits

• Broadens and smooths the power curve
• Provides power gains throughout the entire power band
• Delivers more tractable power and improved throttle control
• Uses FMF Racing’s Tru-Flo stamping process for a precise fit and optimum performance

Key Product Specifications & Technical Data

• Brand: FMF Racing
• Part Number: FMF025241
• Series: Fatty Gold Series
• Part Type: Powersports expansion chamber
• Construction: Carbon steel
• Finish: Nickel plated
• Silencer Compatibility: FMF or stock silencer, unless noted
• Included O-Rings: Yes

What's Included in the Box

• FMF Racing Fatty Gold Series pipe
• O-rings

Fitment

Fits 2019 KTM 250 SX, 2019 KTM 250 XC, 2019 KTM 300 XC, 2020 KTM 250 SX, 2021 Gas Gas EC 250, 2022 Gas Gas EC 250, 2021 KTM 250 SX, 2021 Gas Gas EC 300, 2021 Gas Gas EX 300, and 2022 Gas Gas EC 300.

Fitments:
2019 Husqvarna TC250 Base
2019 Husqvarna TX300 Base
2019 KTM 250 EXC Base
2019 KTM 250 EXC-F Base
2019 KTM 250 SX Base
2019 KTM 250 SX-F Base
2019 KTM 250 XC Base
2019 KTM 250 XC-F Base
2019 KTM 250 XC-W TPi Base
2019 KTM 300 EXC Base
2019 KTM 300 XC Base
2019 KTM 300 XC-W Six Days Base
2019 KTM 300 XC-W TPi Base
2019 KTM 300 XC-W TPI Six Days Base
2020 Husqvarna TC250 Base
2020 Husqvarna TE250i Base
2020 Husqvarna TE300i Base
2020 Husqvarna TX300i Base
2020 KTM 250 SX Base
2020 KTM 250 SX-F Base
2020 KTM 250 XC TPi Base
2020 KTM 250 XC-W TPi Base
2020 KTM 300 XC TPi Base
2020 KTM 300 XC-W TPi Base
2020 KTM 300 XC-W TPI ERZBERGRODEO Base
2020 KTM 300 XC-W TPI Six Days Base
2021 Gas Gas EC 250 Base
2021 Gas Gas EC 300 Base
2021 Gas Gas EX 300 Base
2021 Husqvarna TC250 Base
2021 Husqvarna TE250i Base
2021 Husqvarna TE300i Base
2021 Husqvarna TX300i Base
2021 KTM 250 SX Base
2021 KTM 250 SX-F Base
2021 KTM 250 XC TPi Base
2021 KTM 250 XC-W TPi Base
2021 KTM 300 XC TPi Base
2021 KTM 300 XC-W TPi Base
2021 KTM 300 XC-W TPI ERZBERGRODEO Base
2022 Gas Gas EC 250 Base
2022 Gas Gas EC 300 Base
2022 Gas Gas EX 250 Base
2022 Gas Gas EX 300 Base
2022 Gas Gas Mc 250 Base
2022 Husqvarna TC250 Base
2022 Husqvarna TE250i Base
2022 Husqvarna TE300i Base
2022 Husqvarna TX300i Base
2022 KTM 250 SX Base
2022 KTM 250 SX-F Base
2022 KTM 250 XC TPi Base
2022 KTM 250 XC-W TPi Base
2022 KTM 300 XC TPi Base
2022 KTM 300 XC-W TPi Base
2022 KTM 300 XC-W TPI ERZBERGRODEO Base
2023 Gas Gas EC 250 Base
2023 Gas Gas EC 300 Base
2023 Gas Gas Mc 250 Base
2023 Husqvarna TE250i Base
2023 Husqvarna TE300 Heritage Base
2023 Husqvarna TE300i Base
2023 KTM 250 XC-W Base
2023 KTM 300 XC Base
2023 KTM 300 XC-W Base
2023 KTM 300 XC-W TPI ERZBERGRODEO Base

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Unknown
Part Type: powersports
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1