What materials are used to make Flowmaster mufflers?
All Flowmaster chambered products are fully mig welded and made from either 16 gauge aluminized steel or T409 stainless steel for durability and value. Specific part numbers of the 40 and 50 series are offered in T409 stainless steel. The Off-Road mufflers are constructed from 14 gauge diamond plate for outstanding off road durability.