Ford Mustang Shelby GT350 vs Alfa Romeo Giulia Quadrifoglio April 9, 2018 cars-power Video Watch a super fast manual shifting Shelby GT350 take on the fully automatic Giulia Quadrifoglio in some roll races. The GT350 has no cats, tune E85 fuel and intake. The Alfa is completely stock but will be back with a tune next week. Source:DragTimes on YouTube