Once u remove the rail the stand pipe pulls right out sometimes it comes out with the rail

 

Yes and no. The original SPs are 2 piece and the top piece will usually come out with the rail but you need some needle nose pliers and a bit of wiggling to get the bottom out. Not a big deal just annoying. I've been elbow deep in 4 6.0Ls and every time I'm thinking "maybe this one already has new pipes or maybe they'll come out together" NOPE!!! LOL. After my second time I started putting the needle noses in my back pocket when the rails were ready to come out.