I am looking for a programer for my 03 5.3L silverado? I would like to get a Hypertech III or predator.
I am looking for a programer for my 03 5.3L silverado? I would like to get a Hypertech III or predator.
2003 LT, 5.3L Silverado Z71 Dark Grey Metalic
AEM Brute Force intake
Cat back Flowmaster 40 serries 3" duals
Bosch Platinum +4 plugs
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