Introducing Flowmaster's new Flow FX® Cat-back exhaust system for the 2015-2023 Ford Mustang with 2.3L Ecoboost engine. This system is perfect for the person looking for a deep powerful exterior sound while maintaining a moderate interior sound level with all of the performance benefits that you would expect from Flowmaster®. Features include 2.50-inch mandrel-bent stainless steel tubing flowing into a Scavenger® Series Y-pipe that transitions into dual 3.00-inch tubing flowing into our new compact round Flow FX "straight-through" mufflers for a deep powerful and sound maximum performance. The dual 3.00-inch tailpipes utilize the factory hanger locations and are finished off with large 4.50-inch black ceramic coated stainless tips that fill out and compliment the factory cutouts. Designed for an easy installation this system includes all necessary parts, hardware, and detailed instructions. Note: Fits Coupes and Convertibles. Requires cutting factory exhaust pipes.