I got shipped to me a '97 and '04 rail to hack-up and bastardize. The '04 rail has a larger barrel to draw from, but there is no regulator on the '04, so mucho modding must be done. I'll be using the regulator assy from the '97 rail and brazing it on to the '04 rail. I'm trying to get this to look factory, but I may have it chromed when I'm done anyway. Here's a mock up...