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The Wehrli Custom Fab Stage 1 high-flow intake bundle for 2017–2019 L5P Duramax replaces weak factory intercooler piping with heavy-duty one-piece aluminum pipes—3.0 in. driver side and 3.5 in. passenger side—to improve flow, throttle response and turbo spool. The kit includes reinforced silicone boots, stainless t-bolt clamps, a CNC-machined double-o-ring flange, and installs with basic hand tools; no tuning required for stock trucks.
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Bronze Chrome
