transmission

you all will come to be annoyed with how often I’ll be posting questions on here but I’ve read that after every 50k miles you should have your tranny drained and refilled is this true? If so is there anything else my Honda may need that hasn’t been done to it? service wise? Other than the basics.

I’m sure this has been posted before, but I can’t seem to find it. Find people talking about everything but what power numbers I would need to start upgrading gears at. I would like to put the KW supercharger kit on and aim for 300-330whp. I am at high altitude so that number may be slightly...