Does anyone have that Chip that gives you up + 20 HP ?? Does it really work ??

Haha this is funny. I actually tried one of those off ebay on my contour...I couldn't tell a difference. And contrary to what they claim, the device CAN set off your check engine light if the voltage isn't right. If you're looking for something like that, get a Tornado fuel saver. I put one(it wasn't tornado, it was a generic knockoff) in my ZX2 and it definitely made a difference. I think it depends on where in the air intake you mount it that makes all the difference. The closer to your intake manifold you can get, the better. I get 40+mpg at 65mph cruising now with my Zetec and 2500lb ZX2. And it's rated at 26/33 mpg. Go figure. I bet a ZX3 could get 39 or better depending on transmission. Of course, I also have Bosch platinum 4 plugs and Zmax engine treatment.

you can do the mod yourself for the price of a 10-cent, x-ohm resistor... that's all they're selling regardless of what package it's in. google it to find out the mod for your vehicle. You can even run a pot from your iat sensor to your dash, and tweak it from there... but i don't know if it works.

i bought a performance chip for my focuse SE 2000. Didnt make that much of a difference. I guess I shouldn't be expecing to burn rubber and race at the Indy. It did change the trans shifting somehow and it opened up the governor. I think i had more change from installing a cold air intake than anything. I also have a performance muffler. didnt notice much difference from that either. My car may be a little more faster than a normal focus but for over a 1000 dollars of upgrades Im not bragging.