At approximately 3.40pm on Tuesday 15 April, police were called to a road traffic collision near to the Retreat Drive in Topsham to reports that a motorcyclist had been in collision with a car.
The vehicles involved were a Jeep and a Suzuki motorcycle.
Sadly, the 23-year-old pillion passenger on the motorbike died from his injuries.
He has been named as Stephen Matthew Sanders from Exmouth.
The rider of the motorbike received serious injuries.
Both vehicles were travelling in the same direction at the time of the collision, heading out of Exeter towards Topsham.
Officers are appealing for any witnesses of the collision to contact them on 101, quoting reference 453 of the 150414.