Enter Garage
Manufacturer information. Check the part number and installation requirements for your vehicle.
Supplier details checked 2026-09-23 · Test catalog
2003-2008 Dodge Ram 2500, 3500 trucks with 5.7L engine. (See applications below) - Moderate sound
Flowmaster American Thunder Cat-back Exhaust System
Includes Hangers and Hardware for an Easy Installation
Mandrel-bent 16 Gauge Aluminized 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
Fits 2003-2008 Dodge Ram 2500, 3500 trucks with 5.7L engine, also 2005-2008 Dodge Ram 1500 Mega Cab, fits 2/4 wheel drive models and all wheelbases.
Flowmaster 03-08 Dodge RAM Truck HEMI American Thunder DOSR Cat-Back Exhaust System
0308 DODGE RAM TRK HEMI A T DOSR
SYS 03-08 DODGE RAM
This aluminized 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 aluminized steel tubing flowing into a Super 50 Series™ muffler. The dual 2.50-inch mandrel-bent tailpipes use the factory hanger locations for an easy installation. The system is finished off with a pair of polished 3.00-inch 304 stainless steel tips and comes with two sets of tailpipe exits giving you the option of two exit styles. Either straight out the back under the bumper, or out to the sides behind the rear wheels, which is ideal for towing applications. Easy to follow instructions and all necessary hardware is provided and the system is backed by our 3-year Limited Warranty.
SYS 03-08 DO
