I have a 2019 GDE Pre Ban Tune for Sale. $600
Options that are turned on are
Purchased in Sept 2019 (Pre EPA)
Turbo Brake Option
High Idle Option
Regen Msg Option
Improved throttle response. No more lag!
3-5 MPG Increase
40+ HP Incease
Less Regens & EGR Disabled = Cleaner engine oil and...