06-07 Chevrolet/GMC 2500/3500 EC/CC 6.6L Duramax, Classic, Armor Lite 4-Inch Cat-Back Single Side Exit, with Carb Approved Downpipe, MBRPIts likely time to consider a new exhaust for your 2006 2007 Chevrolet GMC 2500 3500 6. 6L Duramax and at MBRP we've got you sorted, install the S6007P! The S6007P is a 4 inch Cat back single side exit exhaust kit that includes a carb approved downpipe. Constructed from heavy gauged aluminized steel, this material is cost effective and ideal for mild environments. By using smooth mandrel bent tubing, the S6007P provides a smoother flow path, enhancing