i you want a boost upgrade, ill sell you my old Turbobetics t3/t4 hybrid super 50 turbo.
Only put a couple thousand miles on it before i replaced it with my new holset he351cw turbo.
the turbo is basically brand new yet, so id want like 300-400$ (paid 1200 for it with the stainless oil and coolant line kit)
heres a copy/past of the order i made that day a few years ago.
1-T3/T4 Hybrid (50 trim)FWD 63-0450FWD 63-0450
1-Universal t3 wastegate housingFWD 43-0791FWD 43-0791
1-Stainless Turbo Line Kit (R/T's)FWD 71-0290FWD 71-0290
1-Billet Actuator bracket for HybridsFWD 64-0610FWD 64-0610
1-Wastegate ActuatorFWD 64-0605FWD 64-0605
pic of the turbo. my t3/t4 on the left / friends wrx sti turbo on right
pic of that turbo when i first put it on my r/t motor
pm if interested.