I don't think you will be happy with just the non wastegated 16cm2 housing. My 12V is pretty similar save the 3k GSK. I have the #11, 370's, AFC, BHAF, ATS 3pc manifold, BD Brake then 4" all the way back, no kitty. The 16 did drop my EGT's which is what I was after but starting out is flat...