Hello

Did anybody use the muffler GSA 30 for OS GT 33 ?
On Hatori page it's written "Mufflers for Gas Engines targeted to reduce noise without sacrificing performance"

I think tuned pipe (as ES 30 G or 40 G ES Composite) gives better rpm ?

Claude

http://www.hatori-models.co.jp/HP3/k...air/2300e.html