With the saw now broke in, I decided it was time to mod the muffler. Used 3/4" conduit tube (same size tube a saw shop in Canada used on the 372) and brazed it up. Runs great. I also installed the non rev limiting coil and tached it at 13,100 RPM's. The date is wrong on the digital cam, my bad.
![390muffmod003go5.jpg](https://proxy.imagearchive.com/692/6922544283501c1b96825fa7b20d9648.jpg)
![390muffmod003io7.jpg](https://proxy.imagearchive.com/487/487cd278149999123a3862604be49d3a.jpg)
![390muffmod002rd8.jpg](https://proxy.imagearchive.com/659/659b53ea2cd21b2bf2bf1a5804673006.jpg)