Cobb Tuning COBB Fuel Regulator Kit - Cobb 08-21 Subaru STI Fuel Pressure Regulator (for Fuel Rail Kit)

Part #: 315250

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Fits On:

2008 Subaru Impreza, 2009 Subaru Impreza, 2010 Subaru Impreza, 2011 Subaru Impreza, 2012 Subaru Impreza, 2013 Subaru Impreza, ... See more

Description:
Cobb 08-21 Subaru STI Fuel Pressure Regulator (for Fuel Rail Kit)

FAQs

Q: How do you install a fuel pressure regulator?
A: You disconnect a vacuum hose and one fuel line on your fuel pressure regulator and replace it with the new adjustable unit within minutes.

Q: What is a fuel pressure regulator? Why buy a fuel pressure regulator?
A: The fuel pressure regulator regulates the fuel pressure that goes into the engine. The car's computer does not control the fuel pressure regulator; it is controlled by the engines vacuum. Depending whether the idle is high or low the fuel pressure regulator opens and closes giving more or less fuel. With a high performance motor, an adjustable fuel pressure regulator is needed to increase the amount of fuel given to the engine since larger injectors and fuel pump will be utilized.

Q: Will installing an aftermarket fuel pressure regulator add horsepower to my vehicle?
A: Not directly, but when adding an aftermarket fuel pressure regulator and high flow fuel pump to your modified engine, it can help deliver the additional fuel needed for optimum performance.

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