Chevrolet Silverado 3500 HD Performance Air Intake – Wehrli High Flow Intake Horn, Sparkle Copper (2017–2025). A direct-replacement 4-inch cast-aluminum turbo inlet that frees up airflow and sharpens response on your 6.6L Duramax L5P.

Built to reduce restriction at the compressor inlet, this CNC-machined casting features a smooth 4-inch transition and an anti-surge face that mates to the turbo with an O-ring seal. Includes a #10 ORB billet PCV port and Sparkle Copper finish. It is a bolt-on upgrade requiring no tuning, compatible with stock or OEM-style drop-in turbos and with factory or aftermarket cold air intake systems. Made in the USA.

Features

• True 4 in. inlet
• 25% greater flow area vs. OEM at compressor inlet
• Anti-surge face with O-ring seal
• CNC-machined cast aluminum construction
• Billet PCV fitting and mounting hardware included

Questions or need guidance for your build? Call our specialists at TX: 512-982-9393 or CA: 562-981-6800. We offer installation and customization at our Austin, Texas and Los Angeles, California area locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov