Christian Steffen
I'm Awesome
Ok, so I'm scratching my head here a little bit. Crawled under the truck this morning to do an oil change and figured while I was at it, I'd check out what I'm going to need for my exhaust. I thought about going all new from the manifolds back but I don't think that will be necessary now. I grabbed my cheapo digital calipers and measured the pipes at 2-3/4 inch from the manifolds going into the muffler. Right at the muffler the pipes are necked down to 2-1/2" but I don't think ill be able to cut them off with enough space to pipe in the new muffler. Then I have a single 2-1/2" tail pipe. Was this setup standard on all 7.4L vortecs? The size I mean, because I know the configuration is correct.
I believe they all came that way, yes.