I had this put on for my birthday back in March of this year, and I just bought a stainless steel Magnaflow Muffler. This muffler has a pretty aggressive tone (sounds amazing on a V8). It's 2 1/2" (2.5) all the way around, and can be reversed. You can use it as a single in - dual out, or a dual in - single out. I had it on my 1996 V8 Explorer. It has a small rod welded to it, but you can cut it off, or get it cut off. It went to a hanger that was on my Explorer. I'm asking $40 + Shipping since it was bought only 5 months ago. I think that's pretty reasonable.