17171 For the person who is looking for an aluminized steel cat-back exhaust system with an aggressive exterior tone and moderate interior tone. The American Thunder® system is heavy 16-gauge mandrel-bent aluminized steel tubing for durability and maximum performance. Includes a aluminized steel Super 50™ Series performance muffler for that perfect blend of a deep aggressive exterior sound, with a moderate interior tone that won't drive you out of the cab when having a conversation. The dual 2.50-inch tailpipes clear the factory spare tire and exit straight out the back for a muscular look. The system includes all necessary parts, hardware and instructions for an easy installation you can do at home. Covered by our 3-year Limited Warranty. Notes: Fits 2/4 wheel drive and all wheelbases. Features: Includes Hangers and Hardware for an Easy Installation Mandrel-bent 16-gauge Aluminized Steel Tubing Dyno Tuned for Maximum Performance Super 50 Series Performance Muffler Uses the Factory Hanger Locations Moderate Exterior Exhaust Tone 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 Dual Out Rear Heat Shield No Inlet Diameter (in) 3 Material Aluminized Steel Muffler Part Number 530552 Muffler Quantity 1 Muffler Series Super 50 Series Outlet Diameter (in) 2.5 Product Type Exhaust System Single Dual Dual Sound Level Aggressive / Moderate System Type Cat-back Tip Quantity Not Included Tubing Diameter (in) 2.5 UPC 700042013166 California Proposition 65 Required No Part Number 17171 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# 17171 Warranty for Part# 17171 Fits 2/4 wheel drive models and all wheelbases.