Not sure which 2003 Dodge Ram Performance Mufflers are right for you? We have over 11133 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. John D from Cumming, GA said, "i installed this muffler on my 2003 Dodge Ram 1500 4.7L and it sounds great. it really rumbles and has alot of bass to it. nice black finish too. sounds especially good at low RPMs."