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The Wehrli 4" intake kit for 2017–2019 GM L5P 6.6L Duramax replaces restrictive factory plastic parts with a fabricated aluminum 4" intake pipe and air box, paired with a dry filter assembly. It increases airflow to the turbo, improves throttle response and intake temperatures, and includes silicone boots, stainless clamps, a removable air box lid and hydrophobic pre-filter cover for maintenance.
Wehrli 17-19 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Sparkle Granny Smith
