If you drive a 2017–2023 6.6L L5P Duramax, you already know it’s a great engine, but whether you use it as a dedicated tow pig, a daily driver, or just a performance build for the street, there is always room for more efficiency, faster response, and better airflow.

We are excited to announce that our brand new Stainless Diesel 2017–2023 L5P 63/66 Stage 1 Drop-In Turbocharger is officially live and available for purchase on our website.

Designed as a true drop-in replacement, this turbocharger bridges the gap between stock drivability and diesel performance. Here is a breakdown of why this is the upgrade your L5P has been waiting for…

The Hardware

We didn't just rebuild a factory turbo, we redesigned the major components that restrict your truck from reaching its true potential.

• 63mm 7-Blade TiN Coated Compressor Wheel: The titanium nitride coating gives the compressor wheel increased durability, significantly reducing blade deflection under high boost levels while maximizing air intake efficiency.

• 66mm 10-Blade High-Flow Turbine Wheel: This upgraded turbine wheel opens up the exhaust path, allowing the engine to breathe easier, which translates directly to cooler operation.

• Optimized High Flow Vane Design: By upgrading the internal vane system, we’ve vastly improved VGT efficiency. This means faster boost control and quicker spooling right away.

Why Upgrade? 

Upgrading your turbo isn't just about chasing higher horsepower, it's about improving how your truck feels every single time you press on the gas.

1. Spool Quicker, Move Faster

Say goodbye to that annoying factory turbo lag. Thanks to the high flow vane system and lightweight, optimized wheel geometry, this Stage 1 turbo delivers incredibly crisp throttle response and faster spool-up.

2. Lower EGTs

High Exhaust Gas Temperatures are the enemy of longevity, especially when towing heavy loads through mountains. The 63/66 setup increases thermal efficiency, keeping your EGTs safely in check when your Duramax is working hard.

3. Drivability & Enhanced Power

Because this is a Stage 1 drop-in unit, it retains smooth, stock-like performance for daily driving.. However, when paired with the proper fueling and tuning upgrades, it unlocks a massive ability for increased horsepower and torque.

Fitment & Installation

We want to ensure your installation goes perfectly smoothly. Keep these quick details in mind before you check out:

• True Drop-In Fit: This turbo bolts directly into the factory location on all 2017–2023 L5P Duramax trucks. No custom fabrication or strange modifications are required.

• Electronic Actuator Option: You can choose to reuse your factory actuator, or simplify your install by selecting our option to include a brand new electronic actuator directly with your order.

• The Anti-Surge Ring (Do you need it?): If you are running your truck's factory intake system, you're good to go without it. However, if you are running a high-flow aftermarket intake system, we highly recommend adding our Optional Anti-Surge Ring to your order. Some aftermarket intakes alter the airflow characteristics entering the compressor, the anti-surge ring ensures optimal compressor stability and long-term turbo longevity under those altered conditions.

• Gaskets: Please note that gaskets are not included with this turbocharger, so remember to grab a new set or reuse your clean factory components during installation!

Upgrade Your L5P Duramax Today

Stop settling for factory restrictions. Experience quicker spooling, stronger towing, and reduced EGTs. Click here to upgrade your turbo!