Join Date: Jun 2014
Location: Near Idyllwild, California
Mentioned: 82 Post(s)
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If you plan to make modifications to the car, IE, intercooler, intake, high flow cat, Solo or Magnaflow exhaust. Just buy the canned tune for 200.00. You don't need any more. It makes more horsepower than the GM tune, and the warranty is gone on your car so paying the extra money for it is not really worth it.
If you are going to make serious modifications then the custom tune will be needed. Speaking from experience I would just do the list in the first paragraph and do the budget tune. You will be very happy.
No real need for the intercooler upgrade either. Charge tubes and CAI if you want it to look pretty and make more noise. The only benfit of the two.