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Will a decat make a difference on a 1.2?

Car  2007 Clio 197 r27
I've been told with a decat I can get 10bhp just from de catting my mk 3 1.2 clio? I am fairly doubtful of this but just wanted to see if anyone else had any idea.
Thanks
 
It'll run sh*t with a de-cat and won't improve it at all... Just buy a more powerful car when the times right! :)
 
Removing the middle box will just give you more noise, and maybe a tiny flatspot, that's what it does to the 197's.
 
It is nice to get more power by adding this & removing that...... but honest opinion..... leave the cat on...... you wont see any difference by removing it on this engine :(
Car is designed for economy, so has a set ECU Map to give good MPG, not for power :(

Plus you'll have to be under it before MOT time, putting the cat back on.
 
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