The Advertising Standards Agency banned them from making any performance or economy claims about their product, since they couldn't produce any evidence that they worked.
i got one... it makes a noise as if its doing something but apart from making the engine feel better when you let go of the throttle it doesnt seem to do an awful lot?
I had one too, was on a golf gti, kind of sounded like this, brrrrrrrrrrr...waaaaaaaaaaaaaaaaaaaaaaa, and it made no performance gains, £60 down the drain
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.