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Just wondering... have you done any dyno comparisons with stock? Does the car drive and accelerate as smoothly as stock? Many thanks.

Do you have any before and after torque and power graphs, as well as 0-100kmph timings with the 2.0T? Please tell us what the Racechip setting was with your graphs and timings. Thanks.

Thanks for the info!

Do you know the heat range of the stock plugs? From the stock plug number you quoted -- NGK SIZKR8H9G -- it seems, the heat range could be NGK 8. If that's the case, it would be the same as the replacement plugs NGK 1422 ILKR8E6. Did you also take note of the original stock spark plug gap?

Would that knocking be due to AFR leaning out beyond what the car can comprnsate for? Supposing some months or years after installation, the piggyback fails. What do you think would be the possible consequences for the car, both likely and worst case? Much appreciated.

Would it be reasonable to say that a tune would be pretty safe if it satisfied these 2 criteria: -- that the increase in torque and boost does not impose mechanical stress beyond what the car components can handle, and -- the AIR-FUEL-RATIO (AFR) always remains below the level that predisposes...

Yes, I understand that you are referring to the ECU taking a snapshot of 'suspicious' readings from sensors that are not targeted by old Uncle Chip for scamming!

I saw a post on Veloster Turbo forum about piggybacks in general, that went like this:-- "Any form of signal manipulation on newer ECU's/vehicles is very dangerous. Please let me explain. Signal.modification of boost signal sends a false value to the ECU, thus ignition and fueling are...