Introducing Flowmaster's new FlowFX® Cat-back exhaust system for the 2015-2020 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 in. mandrel-bent stainless steel tubing flowing into a Scavenger® Series Y-pipe that transitions into dual 3.00 in. tubing flowing into our new compact round FlowFX straight-through mufflers for a deep powerful and sound maximum performance. The dual 3.00 in. tailpipes utilize the factory hanger locations and are finished off with large 4.50 in. 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.