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.. 2004-2005 Dodge Ram 1500 with 5.7L Hemi engine. Fits all wheelbases. - Moderate sound. Fits 2004-2005 Dodge Ram 1500 with 5.7L Hemi engine, fits all wheelbases.. Flowmaster 04-05 RAM 1500 5.7L American Thunder Cat-Back Exhaust System. Includes Hangers and Hardware for an Easy Installation. Flowmaster American Thunder Cat-back Exhaust System. Mandrel-bent 16 Gauge Stainless Steel Tubing. Connects After Factory Catalytic Converter. Uses the Factory Hanger Locations. 0405 RAM 1500 57L AMT SOS 409S. Moderate Exterior Exhaust Tone. Lifetime Limited Warranty. SYS 04-05 RAM 1500 5. Easy Installation. SYS 04-05 RA

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