Hope it helps. The problem youre gonna run into with blow through is the mafs was never designed to be pressurized so youre gonna have boost leak issues down the road
If youre going to stick w your setup id look into.something like this;
https://performancemrp.com/i-3049760...w-housing.html
I gave up and converted to speed density. Price of admission on a standalone is steep but worth it.