What do we think about these?

[Johnny-VXR]

http://cgi.ebay.co.uk/DemonMag-for-V...d=p3286.c0.m14

Not convinced myself.

[7om]

wouldnt touch with a barge pole mate

[dan69royal]

sound like a great idea. get a performance car, tune it up the yinngers then whack a fuel saver on to save you a tenner a month. group buy anyone? haha

[Cerberus]

didnt they have a device like this on mythbusters on discovery channel??

And it turned out to be a load of urine!!!!

[Cerberus]

http://en.wikipedia.org/wiki/Fuel_saving_devices

[Jay]

Cant believe that you even asked the question

[James_VXR]

Cant believe that you even asked the question

ditto.

[Abbo]

I thought it was a joke

[IanJ]

I thought it was a joke

Two elephants walk over a cliff edge.............Boom Boom

Seriously this ebay crap amazes me that it sells at all