WEHRLI WCF Down Pipe

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 Down Pipe (V-band Style),., for 2011-2015 Duramax LML.