How does the Power Bomb module affect exhaust flow?

The Power Bomb module is positioned in the header system to manage exhaust sonics. This specific placement helps increase exhaust flow by nearly 10%, allowing your engine to expel gases more efficiently.

Will this muffler make my XR650L quieter?

Yes, the Q4 S/A Muffler is designed to lower your bike's sound output. The Power Bomb module acts as a pre-muffler, and the perforated core allows sound waves to be absorbed by the packing material, reducing overall noise.

Does this muffler come with all the necessary hardware for installation?

This product is the muffler unit itself. It is designed as a direct replacement for the stock muffler, but it's always a good idea to check the manufacturer's instructions or consult with a mechanic to confirm if any additional hardware or specific tools are required for installation.

1993-2020 Honda XR650L Exhaust Muffler | FMF Racing

Name: FMF Racing Honda XR650L 93-09/ 12-20 Q4 S/A Muffler
Brand: FMF Racing
Price: 495.35 USD
Availability: InStock

FMF Racing Honda XR650L 93-09/ 12-20 Q4 S/A Muffler

$495.35

On Backorder — Expected to ship by Apr 7, 2026

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

Fits 1993-2009 & 2012-2020 Honda XR650L. This FMF Racing muffler improves exhaust flow and lowers sound output.

Key Features

Fits 1993-2009 and 2012-2020 Honda XR650L.
Incorporates FMF's patented Power Bomb module for improved exhaust flow.
Helps lower the bike's sound output by providing more sound-absorbing surface area.
Increases exhaust flow by nearly 10% through precise module placement.
Features a perforated core that allows sound to exit into absorbing material.
Designed as a direct replacement for the stock muffler.

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Fits this vehicle

Honda XR650L 1993-2009, 2012-2020

Product Details

If you're looking to get more out of your Honda XR650L's exhaust system, this FMF Racing Q4 S/A Muffler is a solid option. It's designed to replace your stock muffler and help your engine breathe a little easier, which can make a noticeable difference in how the bike performs, especially when you're working it hard.

This muffler features FMF's patented Power Bomb module, which acts like a pre-muffler. By placing this module strategically in the header system, it helps manage exhaust sonics. This design can increase exhaust flow by nearly 10% and also works to absorb sound, giving you a quieter ride compared to a straight-through pipe. The perforated core lets sound waves escape into the packing material, where they expand and cool, reducing overall noise output while still allowing for efficient exhaust gas movement.

This muffler is a well-built component that aims to improve both performance and sound characteristics for your XR650L. It's a direct replacement for the stock unit, making installation straightforward if you're comfortable working on your bike's exhaust.