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Octane boosters


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Hi folks, in northern Ireland we have an annoying lack of good garages selling superunleaded, optimax or v-power isn't available at all!! So was wondering are octane boosters any good or safe to use? What brand is best?

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think it was this one I remember it saying it wasn't street legal. Which made me want it more. :) 



I'll just add though I did only use it the once when local station was having a refurb and I had no choice but to be using the 95 stuff :(

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  • 2 weeks later...

I've seen NF Octane Booster recommend on a few Subaru forums but have always used Miller Oils version. Can't comment on how well it works but my old 96 classic ran smoother with it than without, not tried it yet on the 14 STi.

Sent from my iPad using Tapatalk

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