550XP Muffler Mod Thread

[bwalker]

Think someone needs to go through a bunch of threads on subject with proof and gains. Heck today even dyno runs prove it.

Almost any chainsaw will gain power from opening the muffler and bit. Some like the Stihl MS361 gain stupid amounts.

 

[RedneckChainsawRepair]

Almost any chainsaw will gain power from opening the muffler and bit. Some like the Stihl MS361 gain stupid amounts.

290-390 same way too.