2025 Audi RS5 SPORTBACK 2.9L 6 -cyl Engine Code DECA 8 Turbo November 22, 2025 By Costa Oil Filters Team Post navigation Previous PostPrevious 2025 Audi RS3 2.5L 5 -cyl Engine Code DXHA K TurboNext PostNext 2025 Audi RS6 AVANT 4.0L 8 -cyl Engine Code DYGA 3 Turbo