Our premier Diesel exhaust systems featuring lifetime backed stainless steel construction and mirror polished finishes on the muffler and welded tips. All MagnaFlow Performance DPF systems include a polished SS muffler. No hassle emissions legal design. MF Series Performance Filter-Back Diesel Exhaust System; 3in.; Incl. Muffler Delete Assy/Ext. Pipes/Tailpipes/Dual 5in. Round Tips; Dual Split Rear Exit; Stainless; Black Coated; The Street Series Performance Exhaust system delivers dyno proven power with a comfortable interior sound and performance exterior sound.