Hi, just bought a gen 4 3sgte with a broken turbo for my celica (check my profile for pics). As the turbo is broken I am looking for a new one and why not upgrade the same. So I am wondering if anyone here knows a good turbo which spools at low rpm for daily driving, gives sufficient boost at high rpm and can handle approx 350 hp.

thnx for your toughts

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The only drop in cartridge upgrade is the ATS Sweet 16. If you want to go bigger, you need a GEN3 exhaust manifold and any GEN3 turbo kit. I hear good things about the Precision 5558 from some of my customers. Good luck.