2Bros Parts

Fatty Exhaust Pipe 2026 Beta 350RX - FMF 025329

$397.22

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Delivery to United States 5–8 business days

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The FMF Fatty exhaust pipe, part number 025329, is a 2-stroke pipe developed from over 35 years of racing experience. It broadens and smooths the power curve while increasing performance across the entire power band, including stronger low-end response, improved mid-range output and increased over-rev. It offers more tractable power and improved throttle control. This exhaust pipe can be used with an FMF or standard silencer unless otherwise noted. Features include broadening and smoothing of the power curve, increased low-end and mid-range power, and increased over-rev for power gains throughout the entire power band. It provides more tractable power and improved throttle control. Specifications include carbon steel construction, a nickel-plated finish, and manufacturing using the FMF Racing Tru-Flo stamping process. O-rings are included.

Specifications
SKU
07-4017.FAT
Brand
FMF Exhausts
Availability
In Stock (4)
SKU
07-4017.FAT
Brand
FMF Exhausts
Availability
In Stock (4)
Delivery5–8 business days
14-Day ReturnsHassle-free
Easy CheckoutCard friendly
Product details

FULL DESCRIPTION

FMF Fatty Exhaust Pipe - Enhance Your Motorcycle's Performance

Experience a significant upgrade in your motorcycle's power delivery with the FMF Fatty exhaust pipe. Developed over 35 years of racing expertise, this exhaust system is engineered to broaden and smooth your engine's power curve, leading to increased performance across the entire RPM range. Expect a stronger low-end response, improved mid-range output, and enhanced over-rev capabilities. The FMF Fatty provides more tractable power and finer throttle control, making your ride more responsive and enjoyable. This exhaust pipe is designed to be compatible with both FMF and standard silencers, unless specific compatibility notes are provided.

Key Features

  • Broadens and smooths the power curve for seamless acceleration.
  • Increases low-end power for improved off-the-line response.
  • Improves mid-range power for stronger acceleration through the gears.
  • Increases over-rev for sustained power at higher RPMs.
  • Delivers power gains throughout the entire power band.
  • Offers more tractable power for better control.
  • Provides improved throttle control for precise adjustments.
  • Compatible with FMF or standard silencers (check for specific compatibility).

Specifications

  • Part Number: 025329
  • Construction: Durable carbon steel.
  • Finish: Nickel-plated for corrosion resistance and a sleek look.
  • Manufacturing Process: Manufactured using FMF Racing's precision Tru-Flo stamping process.
  • Included Components: O-rings are included for a secure installation.
Before you buy

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Call or email us with your make, model and year and we will check it for you before you order.

Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details

Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy

By card, PayPal, Apple Pay or Google Pay, or spread the cost with Klarna. Payment is taken securely by Stripe, and the options for your order are shown at checkout.

Any customs duties or import taxes charged in the United States are paid by you when the parcel arrives. Any tax we collect ourselves is shown at checkout before you pay.

More answers in our FAQ.

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