I would also be interested in where you bought the x-pipe, and where it gets installed in the exhaust system.

 

I bought the x-pipe on ebay. Any stainless steel x pipe will do, as long as the spacing is similar to the spacing of the stock tubing running down the middle where the original large long 2-in, 2-out muffler is.

The x pipe goes in place of this long 2-in, 2-out muffler in the middle, right underneath the cabin. Because the stock muffler is long, you'll need some straight tubing to connect to the x-pipe to make up for the difference in length. Place the x-pipe as far up to the headers as you can (right where you cut-off the long muffler).

Hope that helps!