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Wehrli Custom Fab Stage 2 High-Flow Intake Bundle for 2020–2025 Duramax L5P replaces restrictive factory intake and intercooler plumbing with mandrel-bent 14 ga. aluminum piping, a 4" intake, and upgraded 3" driver and 3.5" passenger intercooler pipes to reduce boost leaks and improve airflow. Includes silicone boots, stainless t-bolt clamps, CNC flange with double O-rings, dry filter with hydrophobic pre-filter, hardware, and custom powder-coat finish; fits stock trucks and installs with basic hand tools. A 25 HP gain was measured with a 4" turbo inlet and Max Effort Tune.
Wehrli 20-24 ChevroletL5P Duramax High Flow Intake Bundle Kit - WCFab Candy Red
