I forgot PAULO I cannot tell you what to buy it is not ethical in my part I can strongly suggest you look into it and then YOU can buy it. I took a gamble and has paid off pretty well.
Tai as far mpg gain it all depends on the driver if its me then Im fucked Ive been beating this stepchild since I put on the AGNER IC, I can attest that YES there can be some MPG increase but damn it I have a CONCRETE FOOT and cant seem to stop racing but, definetly you can increase a person who can attes to this is TurboEd from german boost he is getting 45-47 mpg at 70-80 mpg in Florida and he is NO SLOUCH when it comes to cars he is openeing his own aftermarket manufacturering company and he is very honest and trustworthy we talk all the time.
RENNtech Flash(Lenny Wu)/WAGNER IC
Enkei Rajin 18"/Execuhitch Hitch/Koni FSD
Soft Ride Bike Rack/Brava Synthetic Motor Oil(Made in Puerto Rico)/Meth(in the works)/CBU done w Andrew EGR Race Pipe (whoa! what an animal it is now)