I saw this advertised on TV today by a NZ motoring retail
chain (Repco)

http://www.hiclone.co.nz/

Interesting that it was the only item in the ad accompanied
by "100% money-back guarantee", although that could be
just repeating Hiclone's policy and not intended to imply
any dubious claims

It seems too good to be true (always a red flag). By simply
swirling the air going into the carburettor, 13-15% fuel savings
and more power, as reported by customers

I'd like to believe it, but is this yet another leg-pull ? And it
doesn't look like $169 worth either, although what does
"worth mean"

When I first heard the name, Magnetronic, I thought, 'allo,
what's all this then. But the name has seemingly nothing to
with the BS, and proven BS at that, fuel savers that claim
magnets do something magical to petrol

I'm not a motor engineer, but if it's as easy as a little time with
some thin sheet metal and a pair of snips, wouldn't it be more
common, even mandatory, on motor engines ? I know that
carburettors evolve, but 15% improvement in one go with a
few vanes ?

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