Chevrolet Silverado HD Performance Air Intake - Wehrli 5in WCF Intake Horn, Deore Gold (2011-2016). Cast-aluminum replacement for the restrictive factory inlet, improving turbo airflow and throttle response.

Built for the 6.6L Duramax LML, the 4.8 in inlet integrates a PCV port and deletes the resonator for a more pronounced turbo note. Precision-cast and Deore Gold powder coated, it pairs with WCFab Stage 1 LML components and replaces the OEM parts listed.

Features

• Cast aluminum, high-flow 4.8 in intake horn
• Integrated PCV port; resonator delete
• O-ring seal; new EGR gaskets
• Stainless T-bolt clamps; silicone reducer boot
• Replaces GM 12642296, 12637801; fits 2011-2016 Silverado HD 6.6L LML
• Notes: requires intake pipe for 4 in boot; 2011 PCV valve update; not for relocated-inlet LML Y-bridges

Questions or ready to book install? Call Austin, TX at 512-982-9393 (TX) or Los Angeles, CA area at 562-981-6800 (CA). We offer installation and customization at both 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