817800 The Flowmaster Outlaw® Cat-back exhaust system is designed for 2018-2023 Ford Mustang GT 5.0L with the Factory Performance Active Exhaust option, and is perfect for the person looking for a very aggressive exhaust note both inside and outside the vehicle. This easy to bolt-on emissions-legal system features large dual 3.00-inch mandrel-bent stainless steel tubing with our exclusive Scavenger Series® X-pipe flowing into a pair of our race-proven Outlaw Series mufflers for a deep aggressive sound and maximum power. The exhaust system uses the factory hanger locations for an easy installation and the mufflers include our high quality exhaust valves and actuator stands to retain your factory actuator motors that control the active exhaust. The system finishes off with quad 4.00-inch black ceramic coated 304 stainless steel tips giving your Pony the look and sound it deserves. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. The system includes all necessary parts, hardware and easy to follow instructions. Covered by our Lifetime Limited Warranty. Notes: Fits Coupes and Convertibles with Factory Active Exhaust. Features: Quad 4.00-inch Black Ceramic Coated Stainless Tips Mandrel-bent 3.00-inch Stainless Steel Tubing Includes Exclusive Scavenger Series X-pipe Very Aggressive Interior/Exterior Sound Dyno-Tuned for Maximum Performance Uses the Factory Hanger Locations 409S Stainless Steel Construction Lifetime Limited Warranty Flowmaster Quality 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 Catalytic Converter Included No Emission Code 5 Exhaust Series Outlaw Exit Position Dual Out Rear Heat Shield No Material 409 Stainless Steel Mount Type Uses Factory Hangers Muffler Body Length (in) 11 Muffler Color Black Muffler Finish Painted Muffler Inlet Diameter (in) 3 Muffler Inlet Location Side Muffler Material 409S Stainless Steel Muffler Outlet Diameter (in) 3 Muffler Outlet Location Dual Muffler Overall Length (in) 49.5 Muffler Part Number Kit Only Muffler Quantity 2 Muffler Series 60 Series Muffler Shape Oval Muffler Type Reflection Product Type Exhaust System Single Dual Dual Sound Level Aggressive System Type Cat-back Tip Cut Angle Tip Diameter (in) 4 Tip Edge Style Rolled Tip Finish Black Ceramic Tip Length (in) 5.25 Tip Logo Embossed Tip Material 304 Stainless Tip Quantity 4 Tip Shape Round Tubing Diameter (in) 3 Tubing Material 409S Stainless Steel UPC 700042037773 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Lead California Proposition 65 Required Yes Part Number 817800 EMISSIONS 5 This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations. TECH RESOURCES Instructions for Part# 817800 Warranty for Part# 817800 Fits 2018-2023 Mustang GT 5.0L Coupes & Convertibles with Factory Active Performance Exhaust Valves.