The 13B-T has one twin-scroll turbocharger as well as four-injector gas injection in the 13B-DEI. You'll find not variable intake and 6PI units. The 13B-T engine characteristics the 4 port consumption style which just like early 13B engines from 70's. I'm from France and lately handled Craig at JJH for https://13bturboengineforsale02523.luwebs.com/27110763/about-built-13b-motor-for-sale