Below I've put some of the spec together for the 4 main turbos, including there rated flow rates and a compressor map.
Turbo Type = TD04HL-15G
Rated Flow = 428 CFM
Compressor map
Turbo Type = TD04HL-16T
Rated Flow = 435 CFM
Compressor map
Turbo Type = TD04HL-18T
Rated Flow = 488 CFM
Compressor map
Turbo Type = TD04HL-19T
Rated Flow = 500 CFM
Compressor map
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