I had a set of those once. The 32 psi version. They wouldn't show yellow until about 26-27 psi, and red was down at about 20. Maybe if you got some in 50 psi and tried to keep it in the yellow zone for 44. Then again, I doubt they'd accept the liability of making these for pressure above the tire's sidewall.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
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