Stihl ms 290

[xyz123]

About 30mins to do muffler mod and carb retune for about 20% gains , did 3 the other day and owners thought they had a real chainsaw afterwords. :laughing:

 

[cqaigy2]

About 30mins to do muffler mod and carb retune for about 20% gains , did 3 the other day and owners thought they had a real chainsaw afterwords. :laughing:

Do it. Best bang for the buck. Specially since it doesn't cost.