For those looking to add some additional power to their 2015-2017 Mustang GT, Livernois Motorsports makes a strong case for S675 upgrade package in a new video. The centerpiece of this upgrade is the Windstorm Supercharger Kit for the 2015 to 2017 Mustang GT (PN LPP499102; $5,499.99).
It will, according to the company, add over 100 horsepower to your beloved Coyote, which will bring your new-school GT in line with the power produced by the 2013-2014 Shelby GT500 cars.
Along with the TVS supercharger kit, the customer Mustang was also treated to a Livernois Motorsports EvenFlo Thermostat, Livernois Motorsports MyCalibrator Tuner, and a Livernois Motorsports 93-Octane Dyno Tune, which all enhance the performance of the package.
“Our goal is to add more power,” said Cason Kirkpatrick of Livernois Motorsports. “…and keep the turn-key reliability from the factory.”

The Livernois Motorsports Stage 2 Windstorm Supercharger upgrade will deliver triple-digit gains on your 2015+ Mustang GT for less than $5,500.
Stage 2 Windstorm Supercharger Performance Package
• Livernois Motorsports Professional Installation
• Livernois Motorsports My Calibrator Tuner
• Livernois Motorsports EvenFlo Thermostat
• Livernois Motorsports Windstorm TVS Supercharger upgrade
• Livernois Motorsports Selected Upgraded Fuel Injectors
• Livernois Motorsports Selected Sueprcharger approved Spark Plugs
• Livernois Motorsports Custom Dyno Tuning
• Increased horsepower & torque (up to 185hp and 137tq with bundled offering)
• Dyno proven air/fuel adjustments
• Enhanced throttle response
• 1-Year Warranty
After gaining the Livernois Motorsports S675 Performance Package, the yellow Mustang put down 591 horsepower and 478 lb-ft of torque. Obviously, the 222 horsepower gain is a bit more than advertised in the description of this supercharger, but it goes to show that the power gains are the real deal.