Fuel Pressure Regulator

[mcgal]

Hey I am getting the RPW Extarctors and flex pipe combo and fitting a Cat Back exhaust.

1. On the RPW website It says that you need a Fuel Pressure Regulator when you change the whole exhaust due to leaning out and the creation of flat spots. Is this true? and could i get away with using a generic one cos their kit is $350 when you can have other good ones for about $120-150.

2. Can anyone suggest a Good, cost effective CAT go between the flex pipe and catback?

Cheers

[Rocco]

I am also interested in this

[akuma3]

well i got both fitted and can't feel the Fuel Pressure Regulator do much at all even when i boost it up

[bigpitty1]

I got the RPW extractors to fit right up to the stock cat, and there isn't much of a flatspot, I got a GPX and i reacon it make it more responsive.

[Bennoz]

After I put my pipes on, I got a bit of pinging, so I wacked on a Malpassi 1.7:1 rising rate regulator. Had it tuned in & she was good to go Bought it off Ebay, was less than $200 from memory

[mcgal]

What is the difference between a Rising Rate Regulator and a normal Fuel Pressure Regulator.

Also are they brand specific or are they just generic for all cars with attachement for Mitsi Fuel Rails?

Cheers

[mr_bishi]

Rising rate raises the fuel pressure 1.7 psi for every 1 psi of manifold air pressure (or reduced vacuum) it sees and a normal one only raises the fuel pressure 1 psi (1 : 1)

The SARD one is a rising rate......plenty on ebay too.

[spetz]

As far as your cat question goes, I recommend a metal stainless steal mesh inside cat.
A friend got it for $380 fitted (3") and I will do the same...