KTuner.com

Just got the flash stage 2 on my tlx. Tbh this how acura should have do it like Ktuner. Pick up is amazing. Waiting on the downpipe. Will update once Install it.

We feel that way, too! Glad you're enjoying the tune.

Can you switch back and forth between stock, stg1 and stg 2 using the IDS or is this flashed or not flashed? This comes with base maps correct?

No.
Included test calibrations are outlined on the application page for the vehicle.

Sorry I'm confused. No, you can't switch back and forth between stock and tunes or no, there aren't base tunes included?

The questions were answered in order. You have to flash a tune.

Installed my down pipe. The original catalytic converter is massive! Acura put two bolt and two nut. The worst design cause both of my nut strip coming out. Power is amazing and the noise after removing the cat is perfect!

KTuner wrote: ↑Sat Mar 13, 2021 2:53 am No.
Included test calibrations are outlined on the application page for the vehicle.

Just to follow up on this (for clarity), is Comfort/Normal/Sport running the same power levels with the tune?

At wide open throttle, yes.