This is true. But dont forget how your fuel curve looks Riddle
I do agree mark has a great bang for the buck setup, But I'd be willing to argue that if either of you went standalone and tuned properly you will make gains in powerband, area under the curve, fuel economy, and daily drivibility. Plus it opens the door to future mods in the safest way possible.
Gota leave work now... Last guy with a key is on the way out, will finish later