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The Wehrli Stage 3 High Flow Bundle Kit for 2020–2025 Duramax L5P combines upgraded intake and exhaust plumbing to replace restrictive factory parts. It includes reinforced silicone boots, stainless t-bolt clamps, CNC-machined flange with double O-rings, and a larger downpipe; the full assembly is finished in WCFab powder coat. The package targets improved airflow, reduced boost leaks and stronger hardware for heavy-duty applications.
Wehrli 20-24 Duramax L5P Stage 3 High Flow Bundle Kit - Gloss White
