717883 Introducing our new FlowFX® Axle-back exhaust system for 2013-2014 Ford Mustang GT coupes, convertibles and 2013 Boss 302 models with the 5.0L engine. Features include dual 3.00-inch mandrel-bent stainless steel tubing running into a pair of compact round FlowFX "straight-through" performance mufflers for a deep tone. The large 3.00-inch core mufflers provide maximum performance, are constructed from bright 409S stainless steel and utilize the factory hanger locations for an easy installation. The mufflers are finished off with large 4.50-inch black ceramic coated stainless steel tips filling out the factory exhaust cutouts. Designed for easy installation, includes all necessary parts, hardware, and detailed instructions. The system is covered by our Lifetime Limited Warranty. Features: FlowFX "Straight-through" Large Core Performance Mufflers Large 4.50-inch Black Ceramic Coated Stainless Steel Tips Dyno-tuned for Maximum Performance Mandrel-bent Stainless Steel Tubing 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 Emission Code 5 Exhaust Series FlowFX Exit Position Dual Out Rear Heat Shield No Material 409 Stainless Steel Mount Type Uses Factory Hangers Muffler Body Length (in) 14 Muffler Color Natural Muffler Finish Brushed Muffler Inlet Diameter 3 Muffler Inlet Location Centered Muffler Material 409S Stainless Steel Muffler Outlet Diameter 3 Muffler Outlet Location Centered Muffler Overall Length (in) 35.5 Muffler Part Number Kit Only Muffler Quantity 2 Muffler Series FlowFX Muffler Shape Round Muffler Type Absorption 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 Length 5.25 Tip Logo Embossed Tip Material 304 Stainless Tip Quantity 2 Tip Shape Round Tubing Diameter (in) 3 Tubing Material 409S Stainless Steel UPC 700042039463 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 717883