Originally Posted by asdfsammich

Depends on the dealer. The risk is the dealer can say that the ECU is void, and if they choose, also anything else downstream from it (which is tons of stuff). YMMV. It's just a risk and you weigh for your situation.

Do you need a tune with CAI and CBE only? The general answer is that it's not required but wouldn't hurt performance, so it's up to you (a few say you most def don't need it and are better off resetting the ecu).

Add TPs or LTH to that and most say you're now required to get a tune to be safe and keep the engine happy, i.e., fix afr etc.


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