This is not a post about headers v iron manifolds. This is about how people have routed the drivers side pipe. I see several options.

1) Side pipes, exit the pipe before the fuel tank.

2) Cross over before the trans crossmember like a stock system, then duel pipes running parallel the rest of the way back.

3) Cross over into a single pipe and muffler.

4) Outside of the frame. Get the system outside of the frame up by the front spring mounts. Then put mufflers and everything else out there also.

Thats all that I can think of. I am looking for what people have done and pro's and con's of it. Thanks.