This is a new ABS BRAND Performance muffler, with tail pipe exhaust system. Note: High Flow Performance Muffler for Improved Sound, and Fuel Economy, system is 2.50" Inlet & OutletReplacement Parts For Jeep Grand Cherokee 3.7L 4.7L 5.7L Engines 2005-2010 Replacement Parts For Jeep Commander 3.7L 4.7L 5.7L Engines 2006-2010NOTE, with flanged front muffler. Nuts and bolts are not included, and gasket is not required. SYSTEM INCLUDES:1x Part# MED790467P High Flow Performance Muffler 16 Gauge 100% Aluminum, Welded Construction, Ceramic Powdercoated, 2 Chamber, Flanged Front Muffler1x Part# MED654822-2 Rear Tail Pipe, ships in 2 parts.4x Part# 2.5C clamps2x Part# 8070 Rubber Muffler and Tail Pipe Supports1x Part# ST1254S Stainless-Steel Chrome Spout