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My friend got a stage 1 and did not notice the difference. However if your Aero is an automatic with 0 mods than that will be all your car can handle.
If it is a manual get at least a stage 2. You can even safely run stage 3 software and stage 4.
I have stage 4 and my car runs great/safe with stock pistons
posted by 69.227.1...
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