I just compiled this for someone else and thought I'd put them in a thread for reference. Unfortunately, I don't have stock vids of every model.
Stihl MS150TC - Stock:
Stihl MS150TC - Modded:
Stihl MS150T - Modded 2:
Stihl MS201T - Stock:
Stihl MS201T - Modded:
Stihl MS150TC - Stock:
Stihl MS150TC - Modded:
Stihl MS150T - Modded 2:
Stihl MS201T - Stock:
Stihl MS201T - Modded: