Adapter for Tailpipe Stretcher, 5" Collet expands pipes up to 5 including stainless steel. . The tool must be used with the 17350 Tail pipe stretcher kit. . The tool can be used on the vehicle. . The pipe stretcher kit is a convenient, inexpensive alternative to hydraulic pipe expanders. . Choose appropriate aluminum adapter to use with the standard expander tool. . The #4 adapter must be used with the #6 adapter. Be sure to keep threads and cone well lubricated. 17060 Prop65 information pending -