The Cummins 5.0L V8 Turbo Diesel in the upcoming 2016 Nissan TITAN XD features a unique Cummins M² Two-Stage Turbocharger is configured to work well at both low and high engine speeds. The series sequential turbocharging system, involving two differently sized turbochargers, effectively provides a small turbocharger for low air flow requirements and a large turbo for high air flow.