409S stainless steel construction 2.25-inch mandrel bent inlet tubes flow into XDR Competition series mufflers The mandrel bent tailpipes and high-flow XDR mufflers provide a moderately aggressive deep sound and include USFS qualified spark arrestors The system is finished off with a pair of 3.50-inch dual wall brushed 304s stainless steel tips with CNC machined black anodized aluminum end caps Black powder coated heat shield shows everyone behind you why you sound so good Includes all parts, hardware, and instructions. MUFFLER XDR SERIES SS/BLK