This 2015 up Ford Mustang 2.3L EcoBoost downpipe has been designed by the BBK engineering team to increase the the exhaust flow to add even more horsepower and torque to the rear wheels of this turbo charged Mustang. Every BBK Performance Mustang Eco Boost downpipe has been designed as a direct fit and will add increased performance and a more aggressive exhaust sound to your S550 Mustang. All kits are manufactured with 3" CNC mandrel aluminized tubing for maximum exhaust flow and include all the factory style mounting points and flex tubes for a perfect fit on any application. These kits are designed to work with the factory exhaust or after market cat back systems.