2024–25 L5P Duramax Derringer Is California Legal | Banks
Banks Derringer tuner is now California smog legal for the 2024-2025 Duramax L5P. Its massive increase in torque is available across the entire working range of the engine, where you need it most. The system is both safe and easy to remove should you need to take your truck in for warranty service. Things don’t stop there, as our Boost Tube Upgrade, Monster-Ram turbo inlet and PedalMonster throttle response controller are all emissions compliant too.
Why You Want It:
- Makes towing, passing, and merging effortless
- Adds +86 real, usable horsepower, +178 lb-ft of torque
- Control Derringer via Banks iDash Pro or mobile app
- Banks Power Bundle is 50-state emissions compliant
What California Smog Legal Means for L5P Duramax Owners
The Banks Derringer for 2024–2025 L5P Duramax trucks gives owners a documented emissions-compliant performance option for towing, passing, and merging. The system is designed to work with the truck’s existing electronics while allowing control through the Banks iDash Pro or compatible mobile app.
Before installation or purchase, owners should confirm the exact vehicle year, engine configuration, part number, and applicable CARB documentation. Emissions approvals apply only to the specific applications and conditions listed in the relevant Executive Order.
For installation details, review the Banks Derringer owner’s manual and read about the 2024+ L5P Banks Power Bundle.


