[DanG]

Originally Posted by Captainkirk75

I was thinking of doing a JB4 93 tune to my car. Really don’t want to ship out my ECU and do all that. I don’t think il do ethanol either. 93 tune is good enough power for me. Is the JB4 a good option is it safe? Any cons?

Tune voids your engine warranty and probably your transmission warranty. Big con. Most people wait until their warranty expires.