17142 This American Thunder cat-back exhaust system delivers a moderate to aggressive exterior sound with a mild to moderate interior tone and is best suited for the enthusiast who wants their performance to be heard. The system features a Super 50 Series performance muffler with a built-in resonator keeping the interior drone down so you can carry on a conversation without having to raise your voice. The 2.50-inch mandrel-bent aluminized steel tailpipe uses the factory hanger locations for an easy installation and exits out behind the right rear wheel. The system includes all necessary parts, hardware and installation instructions making this an easy install that you can do at home with basic hand tools. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Features: Includes Hangers and Hardware for an Easy Installation Moderate Exterior Exhaust Tone with Mild Interior Tone Mandrel-bent 16-gauge Aluminized Steel Tubing Dyno Tuned for Maximum Performance Super 50 Series Performance Muffler Uses the Factory Hanger Locations Quick and Easy Installation 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 2WD/4WD 2WD/4WD Brand Flowmaster Emission Code 5 Exhaust Series American Thunder Exit Position Single Side Exit Heat Shield No Inlet Diameter (in) 2.5 Material Aluminized Steel Muffler Part Number 52557 Muffler Quantity 1 Muffler Series Super 50 Series Outlet Diameter (in) 2.5 Product Type Exhaust System Single Dual Single Sound Level Aggressive / Moderate System Type Cat-back Tip Quantity Not Included Tubing Diameter (in) 2.5 UPC 700042010783 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 17142 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# 17142 Warranty for Part# 17142