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The Wehrli Custom Fab 3" driver-side intercooler pipe fits 2017–2019 L5P 6.6L Duramax Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks, replacing the factory two-piece 2.5" pipe with a one-piece 3" design. It includes upgraded silicone boots and stainless T-bolt clamps to withstand higher pressure and temperature, and is offered as a bolt-on replacement that fits stock trucks without other modifications.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax Driver Side 3in Intercooler Pipe - Brizzle Blue
