To get the facts right...
3B & RR have 3bar FPR
ABY and AAN were ALL shipped with 4bar FPR
RS2 has 3.8bar FPR
You could of course achieve 400-450bhp with a 3bar or 3.5bar FPR when using the right injectors that are correctly mapped.
Changing the FPR spec must only be done if the ECU is setup with that pressure in mind !
3B & RR have 3bar FPR
ABY and AAN were ALL shipped with 4bar FPR
RS2 has 3.8bar FPR
You could of course achieve 400-450bhp with a 3bar or 3.5bar FPR when using the right injectors that are correctly mapped.
Changing the FPR spec must only be done if the ECU is setup with that pressure in mind !

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