as i know the fuel pump is 2.55 liter per Hour.it give more fuel supply to your engine compare to your stock fuel pump.when your car perform the mode will go high, when normal drive it will go to low mode.
Mclaren have completed building what seems to be a formidable force for 2008 after signing Finnish rookie, Heikki Kovolainen. The Finn found himself out of a job...