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
This Part Fits:
| Year |
Make |
Model |
Submodel |
| 2015 |
Chevrolet |
Silverado 2500 HD |
High Country |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
LT |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
LTZ |
| 2011-2015 |
Chevrolet |
Silverado 2500 HD |
WT |
| 2015 |
Chevrolet |
Silverado 3500 HD |
High Country |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
LT |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
LTZ |
| 2011-2015 |
Chevrolet |
Silverado 3500 HD |
WT |
| 2015 |
GMC |
Sierra 2500 HD |
Base |
| 2011-2015 |
GMC |
Sierra 2500 HD |
Denali |
| 2011-2015 |
GMC |
Sierra 2500 HD |
SLE |
| 2011-2015 |
GMC |
Sierra 2500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 2500 HD |
WT |
| 2015 |
GMC |
Sierra 3500 HD |
Base |
| 2011-2015 |
GMC |
Sierra 3500 HD |
Denali |
| 2011-2015 |
GMC |
Sierra 3500 HD |
SLE |
| 2011-2015 |
GMC |
Sierra 3500 HD |
SLT |
| 2011-2014 |
GMC |
Sierra 3500 HD |
WT |
