This turbocharger is a great fit for 2020 - 2023 GMC/Chevrolet HD 6.6L Duramax vehicles. It features High Flow Vane (HFV) technology, a proprietary customization by Calibrated Power. This tech allows a larger turbine wheel, offering more power, faster spool - up, and lower EGTs. The turbo can support up to 800HP airflow and reach 650 RWHP with stock emissions equipment and basic mods. It even makes 800+ RWHP in competition setups with extensive mods. No core charge. The oversized custom turbine wheel works at low drive pressures under high load, and its 10 - blade design creates a unique exhaust sound. The HFV tech has a custom vane/nozzle ring assembly, in - house exclusive design, and taller/wider vanes for high - load efficiency. It also retains the factory exhaust brake and gives quicker throttle response. The custom billet compressor wheel is 67mm with 11 blades, wide - efficiency, lightweight, and high - strength, providing 81 lbs/min mass airflow compared to 60 lbs/min stock. Custom tuning is required, and it fits both L5P & L5D. Part Number: DM1MO1070303010.


Using this turbocharger is straightforward. First, make sure to have the custom tuning done as it's required for the turbo to work properly. When installing, ensure it fits your 2020 - 2023 GMC/Chevrolet HD 6.6L Duramax vehicle. Remember, it's compatible with both L5P and L5D models. During normal use, enjoy the extra power and faster spool - up. The turbo is designed to handle high loads, but avoid overloading it. As for maintenance, keep an eye on the turbine and compressor wheels. Check for any signs of wear or damage regularly. Since it has a custom design, it's best to use recommended cleaning products. Also, maintain the stock emissions equipment and basic supporting mods as they contribute to the turbo's performance. If you plan to use it in a competition setup with extensive mods, make sure all additional parts are installed correctly. This will help you get the most out of the turbo, like reaching 800+ RWHP. And don't worry about the core charge, you won't have to pay it.