Wehrli driver-side 3" intercooler pipe for 2017–2019 6.6L L5P Duramax replaces the factory two-piece 2.5" hot-side pipe with a one-piece 3" pipe finished in gloss black. High-quality silicone boots and stainless T-bolt clamps are included to handle increased pressure and temperature for improved durability. It bolts on to stock trucks with no tuning or other modifications required.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Gloss Black