Remoiving the HICAS
"I installed a Hicas lock bar. It was another great mod. The back end now fells a lot more controllable. You do need to adjust your driving style though but it is a good mod. All my hydraulic lines have been removed. It is as simple as putting the hicas bar in, remove all the hydraulic lines and solenoids, all the way to the power steering pump. Then you take the back of the power steering pump off and you will see all these tiny metal squares in slots. You pull all of these out and it disables the HICAS part of the pump. Then you just go to Pirtek and buy a plug and screw it into the pump. Bingo, no hicas and 20kg+ lighter. Just make sure you get a wheel alignment."
The above is quoted from :
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Adam
Fulllock Motorsport
Hope this helps!!