This American Thunder Cat-back exhaust system is perfect for the person looking for an aggressive exterior sound level while maintaining a moderate interior sound with all of the performance benefits that you would expect from Flowmaster. This bolt-on aluminized steel system fits all 2004-2005 Dodge Ram's with the 5.7L Hemi engines and features a 3.00 in. mandrel-bent inlet tube flowing into a Super 50 series performance muffler and dual 2.50 in. mandrel-bent tailpipes that comes with your choice of tailpipe exits, either straight out the back under the rear bumper for a muscular look, or out the sides behind the rear tires which is ideal for towing an RV, boat or trailer. The tailpipes are finished off with a pair of large 3.00 in. polished 304 stainless steel tips and the system is covered by our 3-year Limited Warranty. For those who prefer full stainless steel construction with a Lifetime Limited Warranty, check out exhaust system #817397. Designed for an easy fit, this system includes all necessary parts, hardware for an easy installation you can do at home. Notes: This system fits both 2 and 4 wheel drives and all wheelbases.