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Wehrli Custom Fab Stage 2 High Flow intake bundle for 2017–2019 Chevrolet Duramax L5P 6.6L; finished in Sparkle Copper. This Stage 2 kit replaces restrictive factory plastic parts with large‑diameter aluminum piping, includes upgraded 3" driver and 3.5" passenger intercooler pipes, CNC‑machined flange with double O‑rings, silicone boots, stainless t‑bolt clamps, and installs on stock trucks with no tuning required. Wehrli reports a 25HP gain with their 4" turbo inlet when used with a Max Effort Tune.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 - Sparkle Copper
