Performance Chip Increase Tundra MPG by 3 mile/Gallon?

Anyone has used it before? My coworker said it increase his Tundra gas mile by 3, before it was 13MPG, now it 16. Thinking getting one for my F250.

http://www.gfchips.com/toyotatundra.aspx

所有跟帖： 

• 我是这么想的，如果REPROGRAME能带来这么多的好处。 -nonego- ♂ (225 bytes) () 07/18/2012 postreply 13:36:22

• Got it, i think it is just a resistor to full the car computer -history2008- ♀ (47 bytes) () 07/18/2012 postreply 14:32:25

• 斗胆猜一下 -biglow- ♂ (287 bytes) () 07/19/2012 postreply 08:55:56