Exactly what unabomber said....it's obvious you do NOT know what you're doing so you should not be modding your car in any way shape or form. The map notes says specifically what is acceptable and what is not. It says right in the map notes that headers will most likely decrease boost and power. Research before you start slapping stuff on.
"If using Headers, be aware that boost response will likely decrease and, depending on the header design, power may actually reduce"