WHy don't you want the insert? Will it work on my 03? Will the programer work on an 03" and do you have the manual?
WHy don't you want the insert? Will it work on my 03? Will the programer work on an 03" and do you have the manual?
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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