Mercedes-AMG S63 Big Bang by Wheelsandmore Despite already packing a 5.5-liter, twin-turbo, V-8 engine that produces 577 horsepower and 664 pound-feet of torque and costing over $160,000, the is still considered a favorite among aftermarket tuners. This year alone, we’ve seen more than a handful of tuning companies build programs for the including luminaries like […]