Location, fuel pump pressure regulator?

What is your question?

Raw gas going out tail pipe driver side, quiet a lot of gas, changed head and cam, injectors and had the ECM mod. checked, still it has large amount of gas coming from exhaust on the driver side, left head.

What makes this problem better or worse?

when the engine is running

How long has your 2004 Dodge Ram 1500 had this problem?

a few weeks