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The Wehrli WCF Stage 2 Intake Bundle for 2017–2019 L5P Duramax replaces restrictive factory intake and intercooler plumbing with large‑diameter aluminum piping and a high‑flow dry filter assembly. Testing showed a 25 HP gain when paired with the 4" turbo inlet and a Max Effort Tune. Includes reinforced silicone boots, stainless t‑bolt clamps, CNC flange with double O‑rings, pre‑filter cover and a custom powder coat finish. Installs with basic hand tools and fits stock trucks without tuning.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Illusion Purple
