Intercooler. Duct. Hose. Charge Air Cooler Pipe. Outlet.
A Pipe that transfers compressed Air to from the turbo or super Charger to the Intercooler.

Turbocharger Intercooler Pipe

Fits Express 2500, Express 3500, Savana 2500, Savana 3500

6.6 LITER DIESEL. Express, Savana; 6.6L Diesel; Outlet To Engine; w/LMM Engine.
Turbocharger Intercooler Tube - Repair or Replace
If your 2006 Chevrolet Malibu is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.