FiTech EFI system
I am also getting an exhaust pop during decel. I will be waiting to hear back from others on their findings.
Here is another view of how I ran my fuel lines. (notice how I could disguise it as a charcoal canister?)
This ground strap (from Napa's help section) fits from the rear of a head to a "carb stud". I did have to open one hole slightly with a round file.
Also note that using the right wrench prevents marring fittings