Dinan Free Flow Axle-Back Exhaust - 2008-2011 BMW M3

Durability is also a primary concern at Dinan. Built from 100% 20 gauge-304 stainless steel to resist corrosion and backed by a 4 year50000 mile warranty new car factory matching warranty, the most comprehensive warranty in the business and double that of our competitors' warranty (see Dinan Warranty Statement).