4.0bar Fuel Pressure Regulator

  • Model: FPR4BAR
  • Manufactured by: Genesis


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Stock fpr in many VW/Audi engines. Raises fuel flow 15.5% over 3bar.
The most economical way to get custom fuel flows is with a drop-in fuel pressure regulator. Sum of boost pressure + fpr should never exceed 6bar. Use the formula above to calculate flows.

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