From the YT Vid description...
"DPM 2011 Mustang 5.0 9.7@137 F1A Procharger, ATF built 4R70W Full Auto electric shift transmission, Stock Motor, SS Works headers, Bassani axle back, Full weight, Lowering springs, M&H Drag Radials
816rwhp 14psi
903 rwhp 16.5psi"