short route IC piping + spearco core

[Corman12345]

Allright, I am planning on adding a fmic soon. I have access to a pipe bender at a local muffler shop my friend owns so I was planning on buying a Spearco core and making my own short route piping. My question is what would be the optimal ic pipe size for my setup. I know the spearco endtanks are 2.5". My goal is to eventually max out the EvoIII B16G. Hoping for 360-375 chp

Other mods

Ported EvoIII 16g w 34mm flapper
680cc injectors
SAFC 2
walbro 255 + rewire
ported o2 housing and exhaust manifold
3" turboback
Greddy type s bov
Weapon R AFPR
Magnecor 8.5mm wires
Balance shafts removed
Pocketlogger
Stage 3 keydriver Eprom chip

 

[yo2001]

I went with 2.25" from turbo to IC and 2.5 inch from IC to TB. should be big enough for EVOIII 16G IMO.

 

[1fast97gsx]

that should be big enough for most turbos