Real name "Porsche 911 GT1 Evolution 1997" for the urd egt1 darche evo 97 in the game
and change brand list in Porsche cars.
Just copy and replace the ui folder and the logo file in the car folder :
... assettocorsa\content\cars\urd_egt1_darche_evo_97
and change brand list in Porsche cars.
Just copy and replace the ui folder and the logo file in the car folder :
... assettocorsa\content\cars\urd_egt1_darche_evo_97