anyone had this upgrade?? and will a t28 bolt straight on? thinking of going for some bigger power and by the looks of it the k04 is only really bulletproof up to about 260bhp, and my k03 is running almost 210bhp now, and the whole setup with a k04 is almost 2k, all that for an extra 50bhp, whereas you see t28 applications on much higher horse power usage. so a t28 would be the better bet surely, any thoughts???