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Hi guys, im about to buy a rc125 and wanted to know if there is an exhaust that is proven to give the best performance gains rather then just the loudest, same with air filters (cone or panel)
is it possibe to put in a larger fuel injector? is the 390 injector any bigger then the 125??
or if there is any performance "chips" or boxes??
 

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Hi

I have fitted a K&n filter apart from the noise, not noticed any power gains.However as I plan to use the rc125 as a long term hack for work. I am considering a fuel race exhaust, athena big bore kit and possibly a power commander kit. I know it sounds like a stupid amount of money but as I plan to keep the bike, ultimately it will save money in the long term. Anyone got any info on these mods and what they actually produce.
 
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