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fuel pressure regulator



  RenaultSport clio 172 mk2
hi -
what do these do?
how much are they?
where can i get one?
are they worth getting?
Thanks
 

G_F

  BMW M3 & Williams 3
keeps the pressure in the fuel system to a certain psi, not sure what though.. the rest i dont know
 
  MERCEDES CLS AMG
Not worth buying unless your engine is heavily modded - the higher the power the bigger the regulator required + you will also need bigger injectors. You cant just fit one and make it go faster if ya catch my drift
 
  Vectra :(
Your cars already got one, unless you need a new one your old one should be fine.
I got an uprated one to sort out the AFR as was out slightly and wanted it ok as i had to wait a while for a ecu to sort it.
There are probs more benifits but wont be seen till you modded more as matt black said.
Cost about £60-120 i think
You wont see any performance gain from this alone imo.

Someone will prob be along to give you a better understanding soon.
 


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