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Question: name this part?

its 2 bars on each side of the rear end, this one in particular im speaking of is bent, on my rear passenger side, its almost like it causes the rear passenger tire itself to turn right, making the rear of the vehicle go toward the shoulder and front end to pull left, causing difficult steering over bumps and especially when wet, very dangerous and most likely fatal if driving 65 mph or more on wet interstate. feels like im drifting 24/7 when driving 40 mph or more over wet roads, is this by chance a torsion bar? i can see the bent bar i just dont know the name of it to find the part.