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Wehrli Custom Fab Stage 2 High Flow intake bundle for 2020–2025 Chevrolet 6.6L L5P Duramax, finished in Illusion Cherry. The Stage 2 kit replaces restrictive factory plastic pipes with heavy-duty aluminum 4" intake piping, upgraded 3" and 3.5" intercooler pipes, reinforced silicone boots and stainless t-bolt clamps. WCFab notes a 25HP gain with a 4" turbo inlet when used with a Max Effort tune; the Stage 2 bundle fits stock trucks and installs with basic hand tools.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit - Illusion Cherry
