To be honest, its gonna be a guess how long they will last. They may be over-engineered to last under normal and higher than normal FP. To be safe, use a little math. If the stock injectors on stock FP (insert stock fuel psi here) are to last 100,000 miles - then: x-psi = 100,000 miles.. y-psi (you're current fuel setting) will equal _ _, _ _ _ miles.
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