What kind of performance improvements can I expect from the FMF Fatty Pipe?

The FMF Fatty Pipe is designed to broaden your engine's powerband, giving you more usable power across a wider range of RPMs. You should notice improved throttle response and an enhanced ability for the engine to rev higher, which can make a significant difference when you need extra power.

Does this pipe come with everything I need for installation?

Yes, this FMF Fatty Pipe includes the necessary O-rings for installation. The Tru-Flo stamping process is also designed to ensure a good fit, making the installation process more straightforward.

Is this pipe compatible with aftermarket mufflers?

While the FMF Fatty Pipe is designed to work well with stock components, it is also commonly paired with aftermarket mufflers for further performance gains. It's always a good idea to check specific muffler compatibility if you are using a non-FMF brand.

2002-2003 Honda CR125R Exhaust Pipe | FMF Racing

Name: FMF Racing Honda CR125 02-03 Fatty Pipe
Brand: FMF Racing
SKU: fmf-racing-fmf-racing-honda-cr125-02-03-fatty-pipe-t14-613652
Price: 330.23 USD
Availability: BackOrder

FMF Racing Honda CR125 02-03 Fatty Pipe

$330.23

On Backorder — Expected to ship by Apr 28, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 2002-2003 Honda CR125R. FMF Racing Fatty pipe improves throttle response and over-rev for better performance.

Key Features

Fits 2002-2003 Honda CR125R.
Broadens the powerband for increased usable power.
Provides significant increases throughout the RPM range.
Improves throttle response and enhances over-rev.
Manufactured using FMF's Tru-Flo stamping process for a precise fit.
Includes O-rings for installation.

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Product Details

When you're looking to get the most out of your 2002-2003 Honda CR125R, especially on the track or trail, the FMF Racing Fatty Pipe is a popular choice. This pipe is well-known for broadening the powerband, meaning you get more usable power across a wider range of RPMs. It's designed to give you a noticeable boost in throttle response and enhance the engine's ability to rev higher, which can make a real difference when you need that extra bit of power.

FMF uses a Tru-Flo stamping process for this pipe, which helps ensure it fits right onto your CR125R without much fuss. This means you can spend less time wrestling with installation and more time riding. The pipe is built to handle the demands of off-road riding, and it's FMF's number one best-selling pipe for a reason – it consistently delivers improved performance that riders appreciate.

This Fatty Pipe comes with the necessary O-rings for installation, making it a more complete package. It's a solid option if you're aiming for improved engine characteristics and a more responsive feel from your CR125R.