Ok got more info:







3800 series III twin-scroll (divided housing) turbocharger; the pulses are divided by the sequential firing order. Turbine is a modded p-trim and 58mm or 59mm compressor wheel. The housing is a huge one at 1.09 a/r. No one seems to be running this alternate style of pulse turbocharging in the community, I will start looking at the merit for my fiero 3800 turbo