Not sure if already posted ...
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This reflash is specifically tuned for the USDM Civic Si K20A3.
K20A3-Si ECU flash program 7700 rpm REV limit - $295
Hondata does not sell direct - all sales and payment must be conducted through Hondata dealers. The upgrade information form must be sent with your ECU.
http://www.hondata.com/reflash_civicsi.html
Cheers
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