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Wehrli Custom Fab Stage 1 high-flow intake bundle for 2020–2025 Duramax L5P replaces weak factory intercooler pipes with a one-piece 3" driver-side and 3.5" passenger-side system to improve flow and reliability. The kit uses smooth mandrel bends, CNC-machined flanges with double O-rings, reinforced silicone boots and stainless t-bolt clamps, retains factory sensors and connections, installs with hand tools and fits stock trucks with no tuning required.
Wehrli 20-24 Duramax L5P High Flow Intake Bundle Kit - Semi-Gloss Black
