the power steering pump on the hica is different. you'll need the pump from the non hica model. also the res in the hicas car is different so either plug the extra end or use your old res.
i bought an s13 with hica over the summer. i deleted the hicas, but kept the hica front rack in. the hicas front rack has a quicker ratio than the non hicas racks, and they are switchable without modifications
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