2006-2007 GM Duramax 6.6L LBZ Downpipes

The factory donwpipes on your 2006-2007 GM 6.6L Duramax LBZ are rather restrictive compared to the aftermarket upgrades we offer here at Alligator Performance! These aftermarket downpipe kits are one of the easiest ways to give your truck an awesome sound while improving it's power, torque, and fuel economy along the way. These kits will even help slightly drop EGTs to help maintain controllable temperatures on your truck without compromise. Choose from the entire selection of downpipes to get the exact look and sound your tough GM truck deserves, and start showing off your performance mods with confidence. GM Duramax Fitments: 2006, 2007 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.