Hey, I have a 5th Gen accord, 4dr, f22b1 VTEC engine

What sort of Horsepower/Kilowatt gains could I expect from the following Mods, in total?:

Extractors
Hi Flow Cat Converter
Hi Flow Flexi-Pipe
2.5" Catback
Pod filter intake with Cold Air
VAFC2


I already have the first 3, so that's one step of the way, and i get the air intake on monday.

Also, does anyone know what a 5th gen pulls at the WHEELS when STOCK? just for comparison?

-Mike__