I bought a 09 Civic.Lots of tuning choices.The most challenging has been electronic tuning the ECU in addition to Cold air intake and a catback exhaust.Hondata makes a OBDII bridge to the ECU for tuning AFM,ignition and many other choices.Check this out http://www.hondata.com/flashpro_civic_training.html.
SC8-E RCM MMM CC 1717
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