I bought this for my 2012 Dodge Ram 1500 4.7L Single Pipe. The tube fit perfectly in the store as I had a tube from the truck. Sounds great and is very different from the stock muffler. It has a really good rumble and is quiet when you're not accelerating. At 70 mph the cabin is a little noisy, but that doesn't bother you when you have the music on. I wouldn't recommend putting a pivoting pipe on the muffler unless you want it to roar, echo off the ground and make a lot of noise in the cabin. I thought about it, but it sounds great if you leave the whistle all the way back.
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