Truck Exhaust Kits - DIY dual exhaust system 2.25 pipe 1 chamber muffler Convert your single exhaust to dual exhaust This product is a simple cut-and-clamp Installation. Easy to install - most jobs take 1 afternoon Kit Contents: (2x) 2.25" Wrinkle Bend Pipe + (1x) Flowsound 1 chamber Muffler + 1 Adapter + All necessary Hardware Hangers and Clamps for installation Systems designed to replace from factory muffler back Shipping Dimension: 48x20x10