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The Wehrli Custom Fab Stage 2 4" intake kit is built for 2017–2019 GM L5P 6.6L Duramax trucks and replaces restrictive factory plastic parts with a fabricated aluminum 4" intake pipe and air box. The design draws cold air through the hood ram air duct and inner fender to improve intake temps and throttle response; Wehrli notes a reported 25 hp gain in their 3.5" horn test with a Max Effort tune. Includes powder-coat finish and hardware.
Wehrli 17-19 Chevrolet 6.6L L5P 4in Intake Kit Stage 2 - Brizzle Blue
