ebay performance chip

[vladj]

i know this is just bs and isnt worth the money but i just want to know what it actually does. so does anyone know:

[http://cgi.ebay.ca/92-93-94-95-96-97-98-99-05-Hyundai-ELANTRA-Chip-Module_W0QQitemZ200127291455QQihZ010QQcategoryZ335 97QQrdZ1QQcmdZViewItem

[Elantra87]

POS please dont buy it for your own sake

it will make ur check engine light come on, and not improve anything

[vladj]

i know its just a waist of money but what im trying to figure out is what exactly does it do

[KeWLKaT]

http://www.elantraxd.com/forums/showthread.php?t=13772&highlight=ebay+chip