Banks Derringer Tuner With iDash For 20-23 Silverado HD Duramax Trucks 6.6L

The Banks Power Derringer Tuner With iDash adds up to 81 hp and 144 lb-ft to the 2020-2023 Chevrolet Silverado HD Duramax Trucks 6.6L. Stops the competition dead in their tracks. Results in torque and power gains across the full operating rpm range,...