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There’s a couple tunes out there. 1st question, what’s everyone’s favorite? 2nd for added horsepower daily driving, racing around the back roads here and there, is there any potential harm to my car with a tune? Transmission, motor, drivetrain. Etc
 

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There’s a couple tunes out there. 1st question, what’s everyone’s favorite? 2nd for added horsepower daily driving, racing around the back roads here and there, is there any potential harm to my car with a tune? Transmission, motor, drivetrain. Etc
I'm also interested in the answers to these questions.
 

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KTuner Stage 2 is great for daily. I also have the throttle responsiveness and turbo responsiveness set at max. When I flash back to stock for a dealer drop off I feel the car is almost un-driveable I've gotten so used to it.

As far as damage goes, nobody can really say yet. We will need 75-100k+ miles on these tunes to really know. According to KTuner, the Stage 2 base tune is still very conservative with lots of room left. I'd be more concerned about a custom tune pushing the limits of the components more than their base tunes.

For manuals, the only factor I see possibly being an issue is the clutch. Tuned 1.5L's are already having clutch slippage issues. So, worst case you may need to upgrade to a better clutch if you have the 1.5L. For the 2.0L, I have seen no evidence of the clutch giving out early since it's stronger than the 1.5L's clutch. However, I have also not seen any torque ratings published for it either.

For automatics, Hondata is being cautious with the amount of torque they are putting out. I can't find the article right now, but Honda released specs saying the 10AT has a maximum rating of 295ft-lbs. Hondata is limiting the torque output for the automatics to around 300ft-lbs because of this. On the manual transmission, they are putting down around 330ft-lbs.

Point is, the tuners are cognizant of the published limitations but it will take years to really know what effect, if any, the tune will cause.
 
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