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What we, or rather Jones means is that the driver can remove the vehicle's front, rear and roof panels along with the wraparound front windshield transforming the R-TX from a road-going sports coupe to a KTM X-Bow-like track car.
The designer says that aside from lowering the weight of the sports car and (supposedly) improving its aerodynamics, a key aspect during the design development of the R-TX concept was the driver's emotions.
Source: Swansea University , Via: Carbodydesign