The PPE 117000600 3" Stainless Steel Downpipe for your 2011-2015 GM 6.6L Duramax LML allows you to removed your crushed oval stock downpipe and replace it with a smooth round, long lasting 304 stainless steel down pipe. Spiral wrapped with titanium woven thread for superior heat that's held in place with stainless steel clamps.
Optionally, add the vband for connecting the downpipe to your 2011-2015 Duramax exhaust kit. With this vband added, and a 2011-2015 style exhaust, this downpipe can also be installed on a 2015.5 or 2016 Duramax.