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The Wehrli Stage 2 4" intake kit for 2020–2025 L5P 6.6L Duramax swaps the stock plastic plumbing for a fabricated aluminum 4" pipe, larger intake horn and dry filter to increase airflow to the turbocharger. Cold-air draw from the hood ram duct and inner fender reduces intake temperatures and sharpens throttle response while adding a fuller turbo note. Finished in Illusion Blueberry powder coat; bolt-on installation, no tuning required.
Wehrli 20-24 Duramax L5P 4in. Stage 2 Intake Kit - Illusion Blueberry
