Tuning Evo 9
 

I noticed there's no Cobb Access Port for the 2006 Evolution.
Does anyone have a thread on how Tuning the Evo 9 works or where to start

Most people just use ECUFlash, which is free.

There is a lot of info in the following link, and check the sticky threads out as well.

https://www.evolutionm.net/forums/ecuflash-179/