rite iv finally got my j reg saph verry close to my expectations now after converting it to 2wd with around 400 bhp

but my curious question is how much bhp do i have roughly? i baught a chip from msd to suit my spec so its not been on a dyno
my spec it

l8 pectel bored msd chip siemens 83lbs
92mm bore woosner pistons
ported an pollished head and manifolds
inlet elbo mod with 10mm spacer plate
garret t38.63 turbo with 2wd ex manifold
500 intercooler an 3inch exzorst
8k rpm rev limmeter
bd14 inlet cam std exhaust cam
2bar boost


is this above 400 bhp ??? feels close to me lol