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Cobb vs JB4 - AFR's...
Many state Cobb AFR's appear to be more safe for the engine, however, I have not seen anything that would show any additional wear on the engine due to JB4 AFRs.
Am I correct in saying the JB4 seems to mimick the stock AFR trends more, as they inch down a little more throughout the powerband rather than dropping down abruptly with the Cobb tune? (see page 8)
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