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 ½" 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.
-NO Tuning required, bolt on!
-Will fit on stock truck no other modifications or upgrades necessary!
Replaces the following GM Part Numbers: 87839947
