SPEEDFX CAT-BACK EXHAUST SYSTEM TUNDRA 304 Stainless Steel; With MaxFlow Xtreme Muffler; 2-1/2 Inch Inlet Diameter; 3 Inch Outlet Diameter; Dual Exhaust With Dual Exit Side Or Dual Exit Rear; 4 Inch Diameter Black Powder Coated 304 Stainless Steel Tips