2010 Acura TSX Body Structure UHSS or Boron?

Since Acura is a basically a Honda, the vehicles utilize the Advanced Compatibility Engineering™ (ACE™) body structure.
A highly rigid body design with a cross-braced roof structure and a safety cage-type rear bulkhead structure.   The frame rails repositioned to inside of floor pan and the roof structure is a closed-channel cross-braced design. The TSX also has A, B & C-pillar separators and thinner sections to improve visibility which means the pillars are stronger.

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