Detail shot of the livery on the David Clark, 12 Hours of Sebring winner Marino Franchitti, 24 Hours of Le Mans winning Audi Sport Team Joest engineer Howden Haynes, Michael Neuhoff, Dave Ward and former Porsche Carerra Cup GB Champion Phil Quafe driven #351 GMP Developments Stand Up 2 Cancer run Citroen C1 during the 2019 Trade Team Citroen C1 Challenge 24 Hour race at Silverstone.