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Est. 1957
FMF Racing

FMF Racing Kawasaki KLR650/Tengai 08-18 Q4 S/A Muffler

$495.35

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.

FMF Racing Q4 S/A Muffler for Kawasaki KLR650/Tengai 08-18. Offers improved flow and reduced sound.

Key Features

  • Fits Kawasaki KLR650 and Tengai models from 2008-2018.
  • Incorporates FMF's patented Power Bomb module for improved exhaust flow.
  • The Power Bomb acts as a pre-muffler, helping to reduce sound output.
  • Features a perforated core with steel wool packing for sound absorption.
  • Designed to increase exhaust flow by nearly 10%.
This muffler is designed for Kawasaki KLR650 and Tengai models from 2008 to 2018.
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About this part

Product Details

This is the FMF Racing Q4 S/A Muffler, designed specifically for the Kawasaki KLR650 and Tengai models from 2008 to 2018. If you're looking to get a bit more out of your bike's exhaust system, this muffler can help improve performance and manage sound levels.

The key feature here is FMF's patented Power Bomb module, integrated early in the header system. This component works by managing the expansion and contraction of exhaust gases, which can lead to an almost 10% increase in flow. Think of the Power Bomb as a pre-muffler; it adds more surface area for sound absorption, helping to lower the overall noise output of your exhaust. The perforated core allows sound waves to pass through to the steel wool packing, where they are absorbed and cooled before expanding again at higher RPMs.

This muffler is a well-built option for riders who want a noticeable improvement in their bike's exhaust performance and a more controlled sound profile.

Specifications

Brand
FMF Racing
Manufacturer Part #
042321

Frequently Asked Questions

FMF Racing Kawasaki KLR650/Tengai 08-18 Q4 S/A Muffler

$495.35