Not compatible with 2015.5-2016 trucks which have 3-bolt exhaust flange. For those models please use WCF100705
Wehrli Custom Fab Down Pipe (V-band Style), 3in., for 2011-2015 Duramax LML, Stainless
Replace the restrictive crushed factory down pipe on your 2011-2016 LML Duramax with this full 3" Stainless Steel down pipe. For use with factory turbo or factory style drop in turbo on trucks using a v-band connection style exhaust, NOT the 3 bolt flange style exhaust. - - Replaces the following GM Part Numbers: 12643610, 12638304, 12643214 - - Note: For 3 bolt style down pipe use PN: WCF100705
