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Dodge has revealed the 2016 Viper ACR, the fastest street-legal Viper ever.

Engineered to go fast around race tracks, the ACR comes with upgraded aerodynamics, tires, suspension and brakes to deliver faster laps. The heart of the beast is still the 8.4-liter V-10 engine that sends 645 hp and 600 lb-ft of torque straight to the rear wheels.

When equipped with the optional Extreme Aero package, the new ACR has the most downforce of any production car available, pushing itself into the ground with nearly one ton of force while at its top speed of 177 mph. Ordering the special body package equips the car with an adjustable 73-inch wide rear wing, a rear carbon fiber diffuser, an SRT hood with removable louvers, detachable front splitter extensions and four dive planes.

Stopping power comes courtesy of Brembo carbon ceramic brakes which use massive 15.4-inch two-piece front rotors with six-piston calipers and 14.2-inch two-piece rear rotors with four-piston calipers. Detachable front brake ducts are available for those seeking more cooling on the stoppers.

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Kumho Ecsta V720 high-performance tires that were made specifically for the ACR are fitted, with the fronts measuring 295/25/19 and the rears coming in at 355/30/19. Those hefty tires offer the largest combined tire patch available on any production car. Dodge says that the car’s five-mode stability control system, which features full-on, sport, track, rain and full-off modes, was specially tuned to take into account the extra grip from the new rubber as well as the massive downforce from the Extreme Aero package.

To properly use those new tires, unique aluminum bodied, double-adjustable coil-over Bilstein race shocks have been added along with springs that are twice as stiff as those found on the Viper TA. Adjustability is paramount in racing and the Viper ACR has it, with three inches of ride height adjustment available and an additional 1.4 degrees of negative camber to be had compared to the regular model, which will help this car sustain 1.5g corners.

Inside, Alcantara suede wraps many of the surfaces, including a new high-grip steering wheel with a racing stripe and ACR badge added. A unique dash plaque identifies this as an ACR model, while silver or header red accent stitching can be had throughout the car. The Viper ACR will also be part of the Dodge’s 1 of 1 customization program, which allows customers to build a totally unique Viper thanks to 24,000 custom strip colors, 11 wheels options, 16 interior trims, 8000 exterior paint colors and seven aero packages.

The 2016 Dodge Viper ACR goes on sale in third quarter 2015. Pricing was not announced.

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