815 HP Stage 1 ECU Software | BMW F90 M5 (2021+) porsche_992_gt3_rs Compatible with all factory S550

Compatible with all factory S550 Mustang taillight configurations

Weave Alignment: Visible faces aligned left/right for a uniform premium appearance

and functional airflow to create the ultimate OEM+ upgrade

Tuned 93 Octane:    399HP / 441TQ

Steve Dinan's unparalleled expertise solidifies our claim as the leading force in tuning high-performance engines

815 HP Stage 1 ECU Software | BMW F90 M5 (2021+) porsche_992_gt3_rs Compatible with all factory S550Stock Stock W HP & TQ: 587 Wheel HP & 578 lb ft Wheel torque Stock FW HP & TQ: 716 Flywheel HP & 689 lb ft Flywheel torque Tuned 93 Octane Tuned W HP & TQ: 642 Wheel HP & 618 lb ft Wheel torque Tuned FW HP & TQ: 783 Flywheel HP & 754 lb ft Flywheel torque Delta W HP & TQ: 55 Wheel HP & 53 lb ft Wheel torque Delta FW HP & TQ: 67 HP Flywheel HP & 65 lb ft Flywheel torque Tuned 100 Octane Tuned W HP & TQ: 669 Wheel HP & 618 lb ft Wheel torque Tuned FW HP