Wehrli 2011-2016 LML Duramax 3" Stainless Down Pipe

- 3" Stainless Downpipe (v-band flange) - Heat Wrap - No Tuning Required - Made in USA 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