Please use this app and send the results to [email protected]
https://www.versatuner.com/downloads/Ve ... er-GDS.exe

We will let you know whether the ECU is locked.

If the ECU is not locked, VersaTuner will back up whatever tune is currently on the ECU and you will always be able to restore to it at any time. If the ECU is locked, you will get a message about that and you will need to remove the tune before you can install VersaTuner.

Please contact us at [email protected] and send a screenshot of the error message.

This feature requires a lot of effort and we are not currently working on it. Due to limited resources, we have to focus our efforts on developing features that bring the most value and have the biggest impact for the majority of our customers. Unfortunately, we do not have a timeline when or if thi...

We do not have a prebuilt tune for headers. You can contact one of our e-tuning partners and get a custom tune built for you: https://www.versatuner.com/etuning Fab9 Tuning and CleaR Motorsport specialize in MX-5's. Or if you have the skills you can use the tune editor and build a tune yourself. We ...

VersaTuner does not support disabling emissions-related equipment.

Please contact us via email at [email protected] and provide your license ID, VIN or full name and email.

Can you please elaborate on what functionality you expect?

A catless downpipe will have less backpressure and the turbocharger will spin up faster. As a result it may overshoot the boost targets. The ECU will correct that eventually, but you might see boost spikes on turbo spoolup.

The key to getting crackles and pops is not to release the accelerator pedal completely. Accelerate to a fairly high RPM, then release the pedal, but not completely. Keep it slightly pressed and let the car coast down. If you have automatic transmission, you will have to use the manual mode to preve...