Banks Power 66692 Derringer Tuner (Gen2) With Idash 1.8 For 17-19 GM 6.6L Duramax L5P Stop the competition in your 2017-2019 GM 6.6L Duramax L5P with the Banks Power 66692 Derringer Tuner (Gen2) With iDash 1.8. This value priced, feature packed tuner...