717903 Introducing the new Flowmaster® FlowFX Axle-back exhaust system for 2015-2017 Ford Mustang GT with the 5.0L 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. New features include large 3.00-inch mandrel-bent stainless steel tubing flowing into a pair of compact round FlowFX® "straight-through" performance mufflers with large 3.00-inch cores for maximum performance and a deep tone. The mufflers are constructed from bright 409S stainless steel, use the factory hanger locations for a quick and easy installation and are finished off with large 4.50-inch stainless steel tips that are black ceramic coated to complement the factory cutouts. Designed for easy installation, this system includes all necessary parts, hardware, and detailed instructions. Note: Fits Coupes and Convertibles. Requires cutting the factory tailpipes for installation. Features: Large 4.50-inch Black Ceramic Coated Stainless Steel Tips FlowFX "Straight-through" Performance Mufflers Bright 409S Stainless Steel Construction Dyno-Tuned for Maximum Performance Uses the Factory Hanger Locations Includes All Necessary Hardware Lifetime Limited Warranty Quick & Easy Installation Deep Powerful Sound About Flowmaster Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound. SPECS Brand Flowmaster CARB EO No Clearance Category Exhaust Emission Code 5 Exhaust Series FlowFX Exit Position Dual Out Rear Material 409 Stainless Steel Mount Type Uses Factory Hanger Product Type Exhaust System Single Dual Dual Sound Level Moderate System Type Axle-back Tip Cut Angle Tip Diameter 4.5 Tip Edge Style Rolled Tip Finish Black Ceramic Tip Logo Embossed Tip Material 304 Stainless Tip Shape Round Tubing Diameter (in) 3 Tubing Material 409S Stainless Steel UPC 700042039326 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 717903 Instructions for Part# 717903 Warranty for Part# 717903 Fits 2015-2017 Ford Mustang GT 5.0L Coupes & Convertibles.