Yeah it's the same motor as in the ctsv. 550 I think they are rated at. I made 470 on 17 psi and walked one pretty hard from a 1st gear roll.
07 e92 6spd FBO for now. current
03 z06 402 iron block and a ysi 910whp 756wtq 15psi current
07 335 fbo and meth and rb turbos 470whp 460wtq 17psi 11.7@124 full weight sold.