Genuine factory sealed 'PRB' ECU for the 02-04 Acura RSX Type-S.

The perfect ecu for K-swappers ready to go Hondata K-PRO or for factory 02-04 RSX Type-S use.

Note: This ECU will need to have the immobilizer reprogrammed at the dealership  in order for this ecu to be compatible with your 02-04 RSX Type-S.