Looking for increased performance, better mileage and better sound out of your late model car, truck or SUV? Thunderstorm Exhaust Products are here to help!! For the 2010 and up, 3.5 liter Ecoboost powered Ford Taurus SHO and Lincoln MKS, Thunderstorm Exhaust Products offers this true high flow, larger diameter, free flowing cat-back exhaust system. These Thunderstorm cat-backs are made in America of T304 Stainless Steel and featuring patented sound cancellation technology. and mandrel bends. This technology tunes out annoying low frequencies that causes droning and replaces it with a crisp clean exhaust note. Typical power gains are in the 10-15 HP range with improved throttle response, mileage and  better overall drive ability. All Thunderstorm cat-backs are designed to work best in conjunction with other  Livernois Motorsports exclusive products like MyCal tuners, Windstorm cold air intakes, Thunderstorm down pipes, and Evenflo thermostats for the ultimate in easy, bolt on performance! If your interested in the best value see our Mail Order Packages!!!




Want to learn more about each product line?

MyCalibrator Tuner

Thunderstorm Exhaust

Windstorm Cold Air Intake

EvenFlo Thermostat


Livernois Motorsports takes race-tested exhaust technology to the street. Our line of exhaust solutions offers a true high-flow, large diameter, free-flowing system. Manufactured using only premium materials and production techniques, Livernois exhaust systems are designed to offer improved flow and power and enhance the performance sound profile of your ride.

About Livernois Motorsports

Livernois Motorsports & Engineering has become best-known for revolutionary tuning and high-end performance products for late model Ford, Mopar and GM vehicles. The company is proud of its deep roots in the automotive and motorsports industry dating back to its original founding in 1949. Since then the company has expanded its product line to include tuning and performance components for desert racing, SCCA and drag racing. Livernois Motorsports is proud to engineer, test and manufacture its products in the USA.

Thunderstorm cat backs are Designed and Manufactured in the USA exclusively for Livernois Motorsports and are Dyno tested for maximum performance. They are also test fitted in our high performance vehicle shop by our certified mechanics for excellent fitment every time. Constructed of US T304 Stainless Steel and designed as a bolt on direct replacement for the factory cat back on your Ford Tarus SHO and the Lincoln MKS. with the 3.5 Ecoboost engine.  

  • 100% US Manufactured
  • 50 State Legal 
  • Stainless Steel Rolled Edge double wall 4" Polished tips 
  • Low Angle Mandrel Bends for the highest flow possible
  • Increased diameter over stock (2.125" stock vs. 2.5" Thunderstorm)
  • Compatible with OEM and Livernois Motorsports downpipes
  • Reduced back pressure for increased HP and increased Torque  
  • Exclusive no-drone technology  

  • 2017-2019 Ford Police Interceptor Sedan Base 3.5 Liter Turbocharged
  • 2010-2019 Ford Taurus SHO 3.5 Liter Turbocharged
  • 2010-2016 Lincoln MKS EcoBoost 3.5 Liter Turbocharged
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