Each improvement kit increased the horsepower and torque produced by the 2-litre 4-cylinder engine, with stage 3 being the biggest improvement offered by General Motors.
- Stage 1 includes only high-flow injectors increasing output to 230 bhp.
- Stage 2 includes high-flow injectors, supercharger pulley, unique supercharger belt, and engine calibration increasing output to 241 bhp and 218 lb⋅ft.
- Stage 3 includes all previous kit components, a unique ECU, an adjustable rev-limiter, supercharger pulley calibration, a nitrous control algorithm, and a 100-octane fuel mode increasing output to 260 bhp and 260 lb⋅ft.
The stage 3 kit offered by General Motors altered the ECU for power management to the extent of disability air-conditioning functionality, and made the Cobalt SS illegal for street use due to it breaching emission legislation.
Need for Speed: Shift
The Cobalt SS appears in Need for Speed: Shift as a tier 1 vehicle. It is available from the beginning at the price of $30,000 and has a performance rating of 4.40.
Need for Speed: World
The Cobalt SS was released in Need for Speed: World on December 17, 2012 as a D class vehicle.
The Cobalt SS has quick acceleration and an agile handling, being similar to the Scion tC. It has an average nitrous boost. It is highly likely to roll over during a high speed J-turn.
Shift 2: Unleashed
The Cobalt SS appears in Shift 2: Unleashed as a Modern D class vehicle with a performance rating of 430, a handling rating of 3.38, and a price of $18,500.
Need for Speed: Edge
The Cobalt SS appears in Need for Speed: Edge.