Review: MSR Classic Inox Muffler

About a year ago, I swapped my muffler for a new one.

For those who want to know why I swapped it, here are some reasons:

  1. The stock one is too silent
  2. The stock one is ugly
  3. The stock one is heavy and dead weight

I also didn’t like the sound it produced and it did limit performance, so the swap was neccesary to get a bit more power out of the bike.

I searched for about 1 week for fitting mufflers (because the Freewind is a special bike), and I found these mufflers will fit, sorted by certified ones:
Non certified (no “E – label”):

  • Dominator (uknown model)


  • GPR Trevale
  • MSR (see site for different models, they should all fit)

Since I wanted legal sound, I only could choose between GPR and MSR, both Italian made mufflers, so the quality would (and should) be the same.

Price was also an argument to buying an MSR.
The cheapest one cost about 185€ without shipping, and that’s the one I chose because a second hand GPR Trevale costs about 210€.

Delivery was about a week, using wire transfer. Since it had to be delivered from Italy to Belgium, it was very fast.

Package contents
When it arrived, the package contained:

  • Muffler and linkpipe
  • Bracket (with rubber protector)
  • 2 Springs and spring covers
  • Clamp (which didn’t fit)
  • Spark arrestor
  • dB-killer
  • 2 spacers and a bolt

Installing was fairly foolproof, but you have to use the old clamp and the original bolt.
When istallation was complete, it looked okay, but upon closer inspection, the muffler hits the right indicator and the rear fender. I looked at the pictures on their site, and that looked even weirder than mine, but it isn’t such a big problem.

The bike sounds a bit more agressive with the new muffler mounted, and finally people will see and hear me coming in the traffic jams.
The sound is a low rumble, but when pinning the throttle, it screams with a lot 🙂
Using the dB killer is also easy, sound is a bit more civilized, but it feels like the power is blocked.

It’s a fairly good muffler for the price I paid. Great finish, but the fitment isn’t always right. It doesn’t rust (because it’s made from stainless steel), and with the dB-killer mounted, it still is a sporty exhaust.
If you want to buy an MSR exhaust, you can always visit or



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