Wehrli Custom Fabrication WCF100417-SGB High Flow Turbo Intake Horn 2011-2016 LML Duramax Semi-Gloss Black

The Wehrli Custom Fabrication High Flow Cast Aluminum Turbo Intake Horn is a direct replacement for the restrictive factory plastic inlet on 2011-2016 LML Duramax engines. This performance upgrade significantly increases airflow to your turbocharger, delivering improved throttle response and enhanced engine performance.

Key Features:

• 4.8-inch inlet diameter - largest intake horn available on the market
• CNC machined cast aluminum construction for precision fit and durability
• Integrated PCV port for proper crankcase ventilation
• Eliminates restrictive resonator connection
• Semi-gloss black single-stage powder coat finish
• Includes silicone reducer boot and stainless steel hardware
• Made in the USA

This direct-fit upgrade installs easily and provides measurable gains in airflow over the factory intake system. WCFab's precision engineering ensures proper fitment and reliable performance for your Duramax-powered Chevrolet Silverado, GMC Sierra, or GM commercial van.