GMC Medium Duty 4500 Performance Air Intake - Wehrli High Flow Intake Horn, Sparkle Copper, for 2019-2024 6.6L Duramax L5D trucks. This true 4 in. cast-aluminum turbo inlet replaces the restrictive factory piece to boost airflow and improve throttle response.

Built from CNC-machined cast aluminum with a strategically contoured anti-surge face, this intake horn engages the compressor cover for optimized flow and drivability. It features an O-ring seal at the turbo, a billet #10 ORB hose barb for the PCV connection, and a durable custom powder coat. Bolt-on design requires no tuning and works with OEM and drop-in aftermarket turbochargers as well as stock or aftermarket cold air intakes. Made in the USA and includes mounting hardware.

Features

• True 4 in. inlet with smooth transition and anti-surge face
• CNC-machined cast aluminum construction with O-ring seal
• Billet #10 ORB PCV connection
• Bolt-on install; no tuning required; hardware included
• Works with OEM and aftermarket CAI and drop-in turbos
• 25% greater flow area at compressor inlet; flows 27% better than stock

Questions about fitment or planning a build? Call our Austin shop at 512-982-9393 or our Los Angeles area location at 562-981-6800. We offer installation and customization services at both locations.

Ordering 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