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you will need a Mongoose cable or J2534 cable that is compatible with AC Delco TDS SPS in order to update modules on the car after receiving your unlocked ECM back from HP Tuners
you can select that as an option when you order
We made a staggering 1139 horsepower and 1006 lb ft of torque
Whatever ECM you send for unlocking must have been the ECM that was removed from the vehicle that made it run
Some of these pics were taken during development prior to coating
Chevy Silverado 5.3 (2014 - 2018) exhaust you will need a MongooseImprove your truck or SUV's performance and drivability with a Peitz Performance Delta tuning package! We developed these tunes with the overall driving experience in mind. Not only will you gain power at wide open throttle, but you will also feel the difference at part throttle via improved throttle response and quicker shifting. These packages are intended for stock L83 5. 3 liter and L86 6. 2 liter Silverados, Tahoes, and Suburbans. Simply plug
