Item No.: B01AC012
Specification：                
.For use on all types of tails pipes，mufflers，and exhaust systerms                
.Works with all 1-1/8" to 3-1/2" ID.tin-wall pipes                 
.Small expander       1-1/8" to1-3/4"   （28-44mm）              B01AC013                
.Medium expander   1-1/2" to 2-1/2"   （38-64mm）             B01AC014                
.Large expander       2-1/8" to 3-1/2"   （54-89mm）            B01AC015                
.Include：6pc extra O-ring