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Might be good to actually test it with and without the four wheel steering at the khana event.
I've not seen any straight up comparison but everywhere I read generally has the same consensus as not...

It won't help a single bit for racing, it's all around considered useless - There's a reason why Honda dropped it all together.

Remove the 4WS all together, it's generally regarded as being a all around useless feature that causes more problems then what it's worth.

If you're keen on keeping it just youtube a how to solder...