Smeding Diesel VGT Turbo 11-16 GM 6.6L Duramax

The Smeding Diesel VGT Turbocharger is a direct drop-in replacement for GM 6.6L Duramax trucks, engineered to restore reliability while delivering noticeable performance improvements. Whether you rely on your truck for daily driving, heavy towing, or spirited weekend runs, this turbo offers the perfect balance of responsiveness, durability, and power. Each unit is built with Smeding’s proven precision and upgraded components to provide smoother operation, faster spool, and increased airflow over the factory turbo. All while retaining factory mounting, sensors, and VGT functionality for an easy installation. Available Turbo Configurations Cast 61mm (Factory-Spec Upgrade)Ideal for owners seeking factory performance with improved reliability. This version retains stock-like behavior with stronger internals for long-term dependability. Billet 61mm (Performance Street Upgrade)Features a lightweight billet compressor wheel that spools faster than the factory cast unit and flows more air for increased power while maintaining excellent drivability. Billet 63mm (High-Performance Upgrade)Built for serious performance applications, the billet 63mm is capable of supporting 650–700 horsepower while still delivering impressive spool characteristics and strong mid-range power. Why Choose the Smeding VGT? Direct bolt-on replacement for 2011–2016 Duramax Retains full VGT functionality and factory electronics Improved spool-up and airflow over stock Options available for stock replacement through high-horsepower builds Perfect for towing, daily driving, or performance use If you’re looking to replace your worn factory turbo or step up your Duramax’s performance, the Smeding Diesel VGT delivers the reliability and power your truck deserves.