Looking for a Stock 99-00 Civic Si ecu and 450 for this Special Edition Hondata Ecu that is a p28 with 99-00 Civic plugs made into the ecu specially from hondata to plug directly in. To use this in any other Civic or Integra you will only need to buy a conversion harness, usually sold for around 60 bux or so. This will come with USB cable software disc. 2 extra disc's one with a base map and one with a tune. The setup was Stock B16 on 10 psi with a ramhorn using 440cc injectors. Hit me up if your interested. My email is jwp877@hotmail.com :thumbup: Will sell straight up for 575 shipped.