PeakBoost kit with a "Spoolin Performance Quick 4 manifold" and "Spoolin 2.5 inch downpipe with E-cutout design"??? and a Peakboost 3 inch downpipe??? Twin turbo or something??? why 2 downpipes?? and btw the peakboost DP wont work with the sp00lin manifold...

And what are the specs on your Garrett T3/t04 Turbo???

Im not really seein 300whp on this set up at only 10psi... Sorry