from what ive heard our tranny can hold about 200whp. a lot of people stop at about 170 or so to be safe. abuse is a reletive term. nuetral drops and tire spinning constantly are gaurenteed to hurt your engine, boosted or not. turbo's will just speed up the degradation. the fmu probably will be the same auto/manual. consider though that fmu's might not be the best option. they help a turbo to run effectively but not perfectly. piggybacks i have heard are a safer, more reliable, and more tunable option. Perfworks has his system out now for an auto and he swears up and down the piggyback is key. i talked to him the other day, great guy and sounds like he knows his stuff.