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Wehrli Custom Fab's passenger-side 3.5" intercooler pipe replaces the factory plastic two-piece pipe on 2020–2024 L5P Duramax models with a single-piece 14-gauge aluminum pipe. It uses a CNC-machined flange with double o-ring sealing, upgraded silicone boots, and stainless t-bolt clamps to withstand higher boost pressures and eliminate common boost leaks. The pipe is a bolt-on replacement that fits stock trucks without tuning or other modifications.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Illusion Purple
