My 2006 WRX STI cool noises fully built by me

Fully built motor including CP Pistons, Eagle Rods, ACL race main and rod bearings, gates racing timing belt, cosworth oil pump, perrin front mount intercooler and intake, xpt stage 2 tune modified, borla headers, stock uppipe, helix downpipe, invidia G200 exhaust, and some other stuff that im too lazy to list :D This video is me driving it around making some compressor surge noises with my agency power blow off valve 50/50 and a slight uppipe leak. just hit 3k on the new engine!