The 2016 Dodge Viper ACR sports a standard front splitter, lower dive planes and a 1,776 mm-wide adjustable, dual element rear wing, which is 54 percent larger (in top surface area) than the TA (Time Attack) 2.0 and helps to provide 1,101 pounds of downforce at 150 miles per hour (mph) and 1,533 pounds of downforce at ...