
2024–25 L5P Duramax Banks Derringer Now Smog Legal
The Banks Derringer Tuner for 2024–25 L5P Duramax is now officially California smog legal. Enjoy +86 hp, +178 lb-ft, and full 50-state emissions compliance.
The Leader in Diesel Performance

The Banks Derringer Tuner for 2024–25 L5P Duramax is now officially California smog legal. Enjoy +86 hp, +178 lb-ft, and full 50-state emissions compliance.

The Banks Techni-Cooler Intercooler Upgrade boosts airflow, reduces temps, and pairs with the Monster-Ram to help your 5.9L Cummins pull harder and last longer.

Avoid catastrophic 6.7L Cummins engine failure with the Banks Monster-Ram Intake. It prevents grid heater bolt failure and boosts airflow for real performance gains.

The Banks Power Bundle for 2024+ L5P Duramax models is now officially California emissions compliant, combining performance and legal peace of mind.

The Banks iDash Data Pro gives you total visibility into your truck’s vitals. Monitor temps, pressures, power, and control Derringer and PedalMonster in one gauge.

The Banks Derringer tuner for the 2025 L5P Duramax adds +86 hp and +178 lb-ft with smart OBD integration, PedalMonster stacking, and dealer-safe design.

The Banks Ram-Air Intake and Boost Tube Upgrade work together to improve throttle response, airflow, and turbo efficiency for 6.7L Cummins trucks.

DemonWorks upgrades a 2025 Silverado 2500 L5P with the Banks Derringer, PedalMonster, and iDash Pro for instant throttle, stronger midrange, and seamless control.

Banks CoolRunner Oil Pan keeps your Duramax oil cooler and cleaner with race-grade FlowThru Fins™ and added fluid capacity for maximum heat control.

Power Stroke Central puts the Banks Ram-Air Intake to the test on a 6.7L Power Stroke, proving gains in airflow, spool, and sound.