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Old 24 May 2005, 10:52 AM   #1 (permalink)
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What Will I Gain

Hi all what would i gain if i fitted the following to my 2001 5dr impreza it already has the prodrive pp,alloys upgrade and suspension this is what i would like to do next


1. Install panel filter dont fancy full induction as i've no luck and you hear to many horror stories
2. dump valve
3. in car boost controller
4.what is the accurate boost gauge

youre feedback and comments well appreciated
:?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?: :?:

P.S would i also have to perform ECU rest after doing these mods
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Old 24 May 2005, 11:59 AM   #2 (permalink)
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My opinion

1. Install panel filter dont fancy full induction as i've no luck and you hear to many horror stories - GET THE GREEN COTTON PANEL FILTER approx 5/10bhp ??
2. dump valve - Standard is fine unless you want the whoosh HKS SSQV VTA (Thats what I have, nice sound) Does not improve performance one bit......
3. in car boost controller - NO not with PPP set up leave it alone
4.what is the accurate boost gauge - AUTOGAUGE do some good accurate gauges or you can go the expensive route of DEFI gauges they are top notch


I would also get a free flow exhaust approx 20bhp I have a HKS Hiper from downpipe back on my 2001 PPP'd WRX
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Old 24 May 2005, 03:30 PM   #3 (permalink)
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i have prodrive exhaust
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Old 24 May 2005, 03:40 PM   #4 (permalink)
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Quote:
Originally Posted by warrenjenkins
i have prodrive exhaust
You have a Prodrive back Box. You will still have a very restrictive centre section and front pipe cat Unless you have had it changed these as they do not come with the PPP.

On a bug eye you have 3 cats as standard, up-pipe, down-pipe and front pipe. You then have a centre pipe with a silencer and then the prodrive back box.
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