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 2015 and up 2.3 liter Ecoboost powered Ford Mustang Thunderstorm Exhaust Products offers this true high flow, larger diameter downpipe and connection y-pipe available with or with out catalytic converters. Typical power gains are in the 10-15 HP range with improved throttle response, mileage, more aggressive exhaust tone and better overall drive ability. Plus with this kit you get the option of quickly removing the exhaust from the connector y-pipe back and install the Thunderstorm exhaust dump for more power and less weight at the track. These Thunderstorm downpipe exhaust dump and connector y-pipes kits are made in America of T304 Stainless Steel and featuring all mandrel bends. AllThunderstorm piping products are designed to work best in conjunction with other Livernois Motorsports exclusive products like MyCal tuners, Windstorm cold air intakes,Thunderstorm Catbacks, and Evenflo thermostats for the ultimate in easy, bolt on performance! If your interested in the best value see our Mail Order Packages!!!