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On the 2003 Dodge Ram 1500, the size of the exhaust pipe will differ depending on which part of the exhaust system you're examining. For the 4.7L model, the pipe is 3 inches right after the "Y" section, then tapers down to 2.5 inches leading into the muffler. The HemiModel, on the other hand, has a 2-5/8 inch exhaust pipe size. If you need to replace a specific section, it's best to take your own measurements. Exhaust components, including just the pipe, can be costly, so it's important to ensure they fit your exact model and location before making any decisions. Remember to prioritize safety in all your actions and good luck with your project.
In 2003, the exhaust pipe diameter of the Dodge Ram 1500 is 3.5 inches.
I drive a 2003 Dodge Ram 1500 with a 4.7 engine. The pipe on the engine side of the catalytic converter is 3 inches in size, while on the tailpipe side, it measures 2.25 inches.