WCFab 3" High Flow Driver (Hot) Side Intercooler pipe for the 2017-2019 L5P 6.6L Duramax equipped Chevrolet Silverado or GMC Sierra 2500 / 3500 HD truck. Replaces the factory two piece 2 1/2" intercooler pipe with a high flow one piece 3" pipe. It also includes upgraded silicone boots that withstand higher pressure and temperature than the factory boots to increase reliability and eliminate blown factory boots. - - Replaces the following GM Part Numbers: 87839947
Installation Instructions
This Part Fits:
        
        
          Installation Instructions
This Part Fits:
| Year | Make | Model | Submodel | 
|---|---|---|---|
| 2017-2019 | Chevrolet | Silverado 2500 HD | High Country | 
| 2017-2019 | Chevrolet | Silverado 2500 HD | LT | 
| 2017-2019 | Chevrolet | Silverado 2500 HD | LTZ | 
| 2017-2019 | Chevrolet | Silverado 2500 HD | WT | 
| 2017-2019 | Chevrolet | Silverado 3500 HD | High Country | 
| 2017-2019 | Chevrolet | Silverado 3500 HD | LT | 
| 2017-2019 | Chevrolet | Silverado 3500 HD | LTZ | 
| 2017-2019 | Chevrolet | Silverado 3500 HD | WT | 
| 2017-2019 | GMC | Sierra 2500 HD | Base | 
| 2017-2019 | GMC | Sierra 2500 HD | Denali | 
| 2017-2019 | GMC | Sierra 2500 HD | SLE | 
| 2017-2019 | GMC | Sierra 2500 HD | SLT | 
| 2017-2019 | GMC | Sierra 3500 HD | Base | 
| 2017-2019 | GMC | Sierra 3500 HD | Denali | 
| 2017-2019 | GMC | Sierra 3500 HD | SLE | 
| 2017-2019 | GMC | Sierra 3500 HD | SLT | 
 
             
             
                  