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The Wehrli high‑flow 3.5" passenger‑side intercooler pipe for 2020–2025 L5P Duramax replaces the factory plastic two‑piece pipe with a 14‑ga aluminum one‑piece 3.5" tube, CNC machined flange with double o‑rings, and upgraded silicone boot with billet adapter. It retains stock connections, fits stock trucks without modification, and reduces boost leaks while increasing reliability.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax Passenger Side 3.5in Intercooler Pipe - Chevy Orange
