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Wehrli Custom Fab Stage 3 High Flow Bundle Kit for 2017–2019 L5P Duramax replaces restrictive factory intake, intercooler piping and downpipe to increase airflow, reduce boost leaks and sharpen turbo spool and throttle response. The kit includes a 4 in. aluminum intake with airbox and dry filter, reinforced silicone boots, stainless t-bolt clamps, CNC machined flange with double O-rings, pre-filter cover, ceramic-coated 3.5 in. downpipe, and large-diameter intercooler pipes. Bolt-on installation and Made in the USA; a 25HP gain was reported with a 4 in. turbo inlet and Max Effort Tune.
Wehrli 17-19 Chevrolet L5P Duramax High Flow Intake Bundle Kit - Bengal Blue
