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Supplier details checked 2026-09-23 · Test catalog
Fits 2003-2012 Dodge Ram 2500, 3500 trucks with 5.7L Hemi engine. - Moderate sound
Flowmaster American Thunder Cat-back Exhaust System
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
Clears the Factory Spare Tire
Dual Tailpipe Exit Locations
Lifetime Limited Warranty
Fits 2003-2012 Dodge Ram 2500, 3500 trucks with 5.7L Hemi engine and all wheelbases. Also fits 2005-2008 Dodge Ram 1500 with 5.7L engine in Mega Cab configuration only.
Flowmaster 03-12 RAM 2500/3500 5.7L American Thunder SS Cat-Back Exhaust System
0312 RAM 25003500 57L AMT 409S
SYS 03-12 RAM 2500/3
This stainless steel cat-back exhaust system fits 2003-2012 Dodge Ram 2500/3500 with the 5.7L Hemi engine, and also fits 2005-2008 Dodge Ram 1500 MegaCab with 5.7L engine. As an American Thunder system, it will provide improved performance and fuel economy while producing a moderate tone inside and outside the truck. Constructed from 16-gauge mandrel-bent 3.00-inch stainless steel tubing flowing into a 50 Series™ HD performance muffler. The dual 2.50-inch mandrel-bent tailpipes use the factory hanger locations for an easy installation and the system is finished off with a pair of 3.00-inch polished 304 stainless steel tips. The system comes with two sets of tailpipe exits giving you the option of either straight-out the back under the bumper, or out the sides behind the rear wheels, which is ideal for towing applications. Easy to follow instructions and all necessary hardware is provided with the system and its covered by our Lifetime Limited Warranty.
SYS 03-12 RA
