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2003 Subaru Wrx Roll Cage Plate

The thickness of the body shell alone cannot take the pressure of the end of a 1.5-inch tube with all of the vehicle's weight on it, so there are plates installed to spread the load should a car get upside down.
Cage Fight - 2003 Subaru WRX Roll Cage

 The thickness of the body shell alone cannot take the pressure of the end of a 1.5-inch tube with all of the vehicle's weight on it, so there are plates installed to spread the load should a car get upside down.  View Related Article

 

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