Wehrli WCF100121 Downpipe V-Band Style 3" for 11-15 Duramax LML

Down Pipe (V-band Style), 3in., for 2011-2015 Duramax LML Replace the restrictive crushed factory down pipe with this full 3" down pipe. For use with factory turbo or factory style drop in turbo. 2015.5 and newer LML have a 3 bolt flange exhaust system, this down pipe will only work if you use a 2011-2014 style exhaust system with v-band connection. Or you can use our 3 Bolt Flange Stainless Down pipe PN: WCF100705 3" Down Pipe Black Ceramic Coating Heat Wrap and clamps