How to mod a MS290 Muffler
17:32
029/ MS290 project 2 starting reassembly
8:58
How to: Stihl MS290 Chainsaw Muffler Mod, Carb Tuning & Speed Test
13:17
More power? Or Just Noise?
5:05
Muffler modification Stihl MS 390
3:34
MS 290-390 muffler mod. A look at mild exhaust port work.
8:45
Stihl MS290 Rebuild: MS390 Conversion - Pt. 3
6:13
290 Farm Boss Mod ! - Do this after your warranty runs out.
18:44