hi chaps just joined the site looks good, ive recently bought a version 3 sti with the intention of tuning it to 420bhp (seems a nice round number to me) the question is what am i to do about the gear box,diffs and mountain points to cope with all the power, or will the standard items cope with it all?? then there is the suspention.. all ready have anti lift kit and rear white line anti roll bar and rear strut brace, again are coil overs a good idea or are the original struts ok?? brakes,cooling,etc etc... what the best thing to do? any info would be greatly recived thank you.