Reflash - RSX Base 2002-2004 AT K20A3

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Reflash your 2002-2004 RSX (K20A3 engine) AT engine computer.

  • Fuel, ignition timing and cam timing optimized.
  • Rev limiter raised to 7300 rpm.
  • Power peak raised 400 rpm from stock .
  • 7 Peak hp gain depending on the dyno and modifications (results will vary)
  • 5-10 ft lb torque across the rev range
  • Fully dealer compatible - works with all Honda scan tools and equipment.

This is for an ECU reflash - the ECU is not included.  Hondata does not sell direct - the reflash must be purchased from a Hondata dealer. The ECU reflash form must be sent with your ECU.

We do not recommend the use of nitrous or forced induction for this reflash.


Within the USA this product is legal only for racing vehicles which may never be used upon a public highway.