Wehrli · New
Wehrli 11-16 Chevrolet 6.6L LML Duramax 5in Intake Horn - Gloss Black
MPN WCF100417-GB · Store SKU wcfWCF100417-GB
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
The WCFab LML 4.8 in. High Flow Cast Aluminum intake horn replaces the restrictive OEM plastic inlet to provide increased airflow to your turbo for improved performance and throttle response. Includes port for PCV connection. Eliminates resonator for improved appearance and more aggressive turbo and engine sound. Designed to complement our Stage 1 LML Intake Kits and Stage 1 High Flow Bundle Kits. Powder coated in the custom color of your choice. - - Replaces the following GM Part Numbers: 12642296 and 12637801 Wehrli Custom Fab Intake Horn, 5in., for 2011-2016 Duramax LML, Gloss Black Intake Horn, 5in., for 2011-2016 Duramax LML, Gloss Black
Manufacturer fitment & guides
Check WCF100417-GB against the manufacturer’s application information below.
A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y