Chrysler C300 2012 Automatic Gasoline mileage: 281 KM He installed a 6.4 cam less than two weeks ago, 6.1 lifters. He has a Kooks headers and Corsa cat-back. The car has 280,000 km. I've had it for a while and have checked the engine and airbags, they are all sound and have no issues. The car has been fully serviced with a fuel filter and pump. SRT conversion is complete except for the steering wheel and the speedometer.