I'd say 25mm. That's what I have on my street car and I'm liking it. For FWD you kinda need the rear bar to be stiffer than the front to fight understeer. But 1mm difference is hardly going to be noticeable. I recommend trying either 24 or 25mm in the rear and the stock SVT bar in the front.
understeering? visit FealSuspension.com
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