-Use with an impact wrench to quickly stretch all types of exhaust pipe, including stainless steel, from 1-5/8" to 4-1/4"
-The tool can be used on the vehicle.
-Instructions: Turn 1-1/8" bolt with 1/2" or 3/4" impact wrench, if necessary, choose appropriate aluminium adapter to use with the standard expander tool. Be sure to keep threads and cone well lubricated