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The Wehrli Custom Fab Stage 2 High Flow Bundle for 2020–2025 Duramax L5P replaces restrictive factory intake and intercooler piping with large-diameter aluminum components to improve airflow and reduce boost leaks. It includes a 4" intake pipe, intake horn and enclosure with dry filter and pre-filter cover, plus heavy-duty 3" and 3.5" intercooler pipes, silicone boots, stainless t-bolt clamps and CNC flange seals for stronger, leak-resistant boost delivery.
Wehrli 20-24 Chevrolet 6.6L LP5 Duramax High Flow Intake Bundle Kit - Flat Black
