817513 This Flowmaster® American Thunder® Cat-back System is for 2004-2005 Dodge Ram 1500 trucks with 5.7L Hemi engine and all wheelbases. Manufactured using durable 409S stainless steel, the kit features a 2.75-inch to 3.00-inch adapter pipe which flows into the 50 Series HD™ single in/out muffler and into a single 3.00-inch mandrel-bent stainless steel tailpipe. The 3.00-inch tailpipe exits on the passenger side of the vehicle behind the rear tire and is finished off with a 3.50-inch polished stainless steel Flowmaster tip. As an American Thunder system, it provides improved horsepower, mileage and torque along with a deep, moderate sound level on the inside and outside of the vehicle. Instructions and all the necessary hardware are included with the kit for an easy bolt-on installation. Covered by our Lifetime Limited Warranty. Features: Includes Hangers and Hardware for an Easy Installation Mandrel-bent 16 Gauge Stainless Steel Tubing Connects After Factory Catalytic Converter Uses the Factory Hanger Locations Moderate Exterior Exhaust Tone Lifetime Limited Warranty 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) 2.75 Material 409 Stainless Steel Muffler Part Number Kit Only Muffler Quantity 1 Muffler Series 50 Series HD Outlet Diameter (in) 3 Product Type Exhaust System Single Dual Single Sound Level Moderate System Type Cat-back Tip Diameter (in) 3 Tip Quantity 1 Tubing Diameter (in) 3 UPC 700042025213 California Proposition 65 Chemical Name Chromium (hexavalent compounds) Nickel (Metallic) California Proposition 65 Required Yes Part Number 817513