One inch on a Prius is like having 4 adults in the car so I wouldn't stress too much about it. I would go with the TRD springs as they tend to be the best spring rate balance daily driver/performance as Toyota can back their install with warranty and will most likely have the least impact on the life of the strut shock absorber after stock.
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2013 Honda Civic Si - 2.4L
OEM front to back belly pan from the factory.
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