This is a Aluminized steel muffler back dual conversion kit. It is made from aluminized tubing and comes with a Full Boar Flow-Deflecter 2-chamber muffler for an aggressive tone. Other mufflers are available (409 or 304 tubing is available.) Tips not included. All exit styles are pictured. (45*, 80* or rear) Please E-mail or call us with the year, make, model, engine size, muffler choice, exit choice and wheelbase. mandrelbends@yahoo.com 410-360-7105.