chips are useless for manuals and cheaper cars. expensive and bump your power maybe 10hp max. with a auto it will make the tranny shift more race-like if the settings are right. all they usually do is screw around with valve and piston timing which if tuned right can bump your hp by 10. and like i said. the filter is a kit and does other tweeks too. try it for yourself. it will boost your power noticeably
"Fullness of knowledge always means some understanding of the depths of our ignorance; and that is always conducive to humility and reverence." - Robert Millikan