... muffler/silencer 1.Power: 5kw,6.5kw,7kw,8kw ect, 2.Material:carbon steel 3.Surface: high temper black paint 5KW ... ,7kw,8kw ect,carbon steel with high temper black paint.2.Good quality with reasonable prices3.Our products are sold to ... ,MTD,ZONGSHEN company. 5kw round generator muffler, matching 13hp, 14hp engine