RRM Piggy Back ECU??

audioextremez

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wondering if anyone has the RRM performance piggy back ECU installed on there forte w/manual transmission? I have been considering ordering one but need some opinions on if its a real noticiable difference in power?..I have a custom 2.5'' cat back exhaust system w/test pipe (high flow cat) as far as performance mods. please let me know if you have one of these and if they work....thanks
 
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