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I have a 98 ram 1500 with a 5.2. I love this truck!!! I have had it for 5 years. But just a few weeks ago the stock muffle blew out and sounded pretty good!!! But I have a state inspection here in VA so I had to replace it. I installed a simple thursh glasspack 2.5 in 2.5 out. it sounds great!! But I found it to be more powerful than before. Now I don't mean it was some super mod!! it just runs so much better!! is this normal? is the stock muffler that bad?
The OEM muffler on these trucks are not restricting. The capacity of the valves are the greatest restriction on the Magnum engines. That is on an undamaged muffler. If yours blew out, there was obviously something wrong and may have created significant restriction.
I wonder which I should do. I can get mandrel bent 3 inch pipe and mig weld a Y pipe together or I could get a murrler shop to bent me a one out of 2 1/2 pipe.