Do these work?

[zippyy]

Sorry if it been asked before but I have searched

Has anybody ever used this companys tuning box and are they any good?
http://www.tdi-tuning.co.uk/products.htm

Or is it an expensive resistor?

thanks

 

[timbotdi]

As ever... if you want a safe and effective way of boosting your car's power, save up for a dedicated remap. Some of the mobile tuners on here will do a custom map suited to your car for less than £300.

Cheers,

T

 

[im570rm]

yes a dedicated remap is the best way to do it ,tuning box is crap.