The Banks Derringer Adds Instant Horsepower

Derringer L5P Vs. Stock 1/4 Mile

Truck Guy Joe from Dave Hallman Chevrolet took his 2017 Duramax L5P to the drags. He raced his Banks Derringer equipped Silverado against a stock L5P and a few modified cars. The results are impressive. Follow Joe on YouTube as he continues to put the Derringer to the test.

Posted by Banks Power on Monday, June 18, 2018

In this video, the Derringer L5P Vs. a stock L5P in the 1/4 Mile.

The Derringer is the most advanced inline tuner available for the 2017-2018 GM Duramax L5P, not only delivering 61hp and 112lb-ft but it’s the only tuner that communicates with your truck’s computer. Years in the making, the Derringer is jam-packed with features that will keep your truck safe and you happy.

Banks Derringer Knocks You Back In Your Seat

Derringer has six switched settings. Level 6 produces Best in Class performance knocks you back in your seat. The Level 3 setting is for work use and has great mid-range feel. When running Level 3 with a loaded work truck and/or pulling a trailer, your on ramp merging speeds and passing times are greatly improved.


  • Easy Install
  • Loaded with Features
  • Value Priced
  • Destroys the competition, not your vehicle!
  • ActiveSafety protects engine/powertrain
  • Adds up to 61 hp and 112 lb-ft
  • 3 power levels
  • Interfaces with OBDII Port (On-Board Diagnostics/Information) to communicate directly with the vehicle ECU
  • Works while in cruise control
  • Emissions compliant: CARB EO D-161-115

Banks Derringer


Banks Derringer

Banks Derringer


Read user responses on the Duramax Forum  and Diesel Place

Click here or on the picture for more information.