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Originally Posted by Marv17  hmm. never seen or read about that kind of strut before. how much better is that than the rear strut bar that goes in the trunk?
to me it resembles a x-brace. |
Rear strut tower bars don't really do much in the ti, mostly due to the type of suspension and the proximity of the rear part of the frame to the towers.
Basically a semi trailing-arm setup doesn't introduce a lot of lateral flex to the towers; it comes from the wheel to the hub, goes through the arm and then to the subframe (a known weak point in higher power setups).
The x-brace differs in that it ties the control arms to the frame. The Butt-Strut ties the suspension to itself. In conjunction with the rear sway, it creates a solid trapezoid.