Tuning Fuel boost valves

[WHU fiat]

Has any one ever had one of these? Know what they're like, sound pretty good to me but....thats me

http://www.powerboostvalve.co.uk/c618_619_627.htm

 

[airey hgt]

its like any mod mate they all claim more performance but rarly deliver it.these arnt bad i had one fitted to my bravo hgt the only improvement i seen was that it seemed to pick up faster in the lower gears but for 90 quid its not wot u would expect

 

[JoskeJTD]

Save your money, spend your money on something useful.