6A13 engine from Brazil

Hi, i'm new on this website and o have a Galant 2005 8G with an original 6A13 engine (163hp) automatic transmission 4 gear. And i want some sugestions to up my powerfull. O thinked to plug and play the 2 turbos from 6A13TT engine but o don't know If my automatic transmission (ivecs-II) will be to support almost 300hp. Somebody can help me or do some sugestions? I know in Japan there are tbe same engine working on Galant and Legnum but i nota sure If is the same automatic transmission.