Banks 66793 Derringer Tuner with iDash 1.8 Data Monster 17-19 6.6L GM Duramax L5P MBRP-S6289409 During warmup

During warmup

even when crawling through traffic

anodized black

Safely installs without compressing struts

Banks 66793 Derringer Tuner with iDash 1.8 Data Monster 17-19 6.6L GM Duramax L5P MBRP-S6289409 During warmupWho knew you could get so much power and insights to your powertrain in such a compact package? The Derringer safely adds over 60 horsepower with six power levels while the iDash logs up to 100 parameters at a time. Stops the competition dead in their tracks. Results in torque and power gains across the full operating RPM range, starting right off idle and marching to the shift point in each gear. Derringer is dyno calibrated to use multiple data