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Today, 03:59 PMThis thread is older than me, but you do not need to take any classes to be able to unlock anything or be allowed to tune your truck or car. If the vehicle calls for 2 credits, then using those 2 credits will get you a new "application key" and let you "tune" an unlimited amount of times.214 replies | 84412 view(s)
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Today, 02:02 PMI just installed new heads, cam, LT headers, TBSS intake on my ?02 Silverado LS. Has factory 3.73 gears. I bought an HP tuner with 2 credits, now have to pay for a training class to unlock ?read only? columns to get deep into tuning. Once I get the AEM wide and installed I will take the class and...214 replies | 84412 view(s)