Advice Please

[Kido]

http://www.ebay.co.uk/itm/Nikko-De-Restr...5192cdb777
Has anyone 1 of the above fitted or know if they're any good?
Any help would be greatly appreciated.

[kebab19]

Discussed previously on the old site - avoid.
Certainly cant give any more power than an Ivan's jet kit & ignition advancer together, better spending the same amount on them

[Kido]

Ok, thanks.