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.

• 3" hot‑side intercooler tube

• Manufactured from durable 14‑gauge mandrel‑bent aluminum

• Includes high‑quality silicone couplers

• Comes with heavy‑duty T‑bolt clamps

• Finished with a protective powder‑coated surface

• Direct bolt‑on part—no tuning or calibration needed

• Designed to work with a stock truck without requiring any additional upgrades

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