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Old 07-15-2002, 10:33 PM   #1
booger
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Member#: 6446
Join Date: May 2001
Location: south brunswick nj
Vehicle:
99 Impreza 2.5 RS
Black

Cool going from N/A to turbo.. Maybe

first off, the kit i am looking at is the Ludespeed stage 1 kit for my 99 2.5

current list of performance mods:
ACT clutch- the street one
JUN flywheel
Bruillen Headers
Bruillen Cat-Back @ 2.25in
PRM intake
Ill start by saying that i dont know anything about turbos, how they work and whatever so thats why i want a full kit that doesnt make insane power. I have a friend that knows godly ammounts of stuff on turbos and has installed them for a few of his friends, so he might be installing the kit for me.
But i have a few questions id like to be taken seriously:

OK i know that 2.25in catback exaust is too small for this kit to perform as expected, so i will probally be replacing it with a 2.5
that said,
what about the headers? are they ok to leave on? i think the diamater of them is 2.25.

Does anyone have this kit and installed it themself? Can i trust LUDESPEED's directions with someone who has installed turbos on cars like civcis and SE-Rs or should i go to a specialist?

those are my questions for now, i thank anyone who can give me awnsers.

Peec,
B
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Old 07-15-2002, 11:00 PM   #2
kastle
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Chapter/Region: SWIC
Location: Phoenix, AZ
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1999 Outback Sport
Steel Blue Mica

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Old 07-16-2002, 12:53 AM   #3
Aphex
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Join Date: Aug 1999
Location: Wahcheeta, KS
Vehicle:
'05 Legacy GT
Silver

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no the brullen headers will not work with a turbo, only a header that ends at the same point and orientation of the stock headers will work.

and yes, the ludespeed kit is a great kit, and he is a great vendor. I would however recommend getting an intercooler though. it's just not safe to run any amount of boost on our cars without an intercooler, I have a stage 1 kit, with a SAAB 900 stock intercooler. do a search and you should find plenty of info, both about the ludespeed kit, and the saab 900 IC.
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Old 07-16-2002, 01:06 PM   #4
cRayZee
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Location: San Jose
Vehicle:
2001 2.5RSTi
2007 Legacy Spec B

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you can learn a lot about automotive stuff here..

http://www.howstuffworks.com/category.htm?cat=Eng

how turbos work:
http://www.howstuffworks.com/turbo.htm
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Old 07-16-2002, 09:38 PM   #5
booger
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so if i wanted to use this turbo kit id have to revert to the stock headers then??
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Old 07-16-2002, 11:46 PM   #6
DoctorNick
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you could also find a tuner shop that can make you a custom uppipe for the turbo kit. Its dueable. if you want to use the same headers.
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Old 07-17-2002, 03:36 AM   #7
KillerTHC
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Member#: 4942
Join Date: Mar 2001
Chapter/Region: BAIC
Location: Palo Alto, CA USA
Vehicle:
01 SRP 2.5 RS-T
Ludespeed Stage 3 Link'd

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Quote:
Originally posted by DoctorNick
you could also find a tuner shop that can make you a custom uppipe for the turbo kit. Its dueable. if you want to use the same headers.
that actually is a bad idea since it will most likely get in the way of the down pipe. you have to use the stock headers (or custom ones that use the same orientation but that's quite a bit of money and quiet unnecessary for low boost kits)
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Old 07-17-2002, 10:11 AM   #8
tmaler13
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The borla gen 3's end at the same place the stock headers do...will i be able to keep these on my car with the ludespeed stage 1 kit?

-Terry
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Old 07-17-2002, 10:23 AM   #9
KillerTHC
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Ludespeed Stage 3 Link'd

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i'm pretty sure the Borlas end where the stock cat ends. the stock header unit is a 4 - 1 unit with an intermediat pipe with 2 cats before connecting to the cat back. with most bolt on kits, the intermediate pipe is removed leaving a header unit with the outlet facing the right side of the car slightly behind where the headers attach to the block. the up pipe connects to the headers, it goes up, comes down and then meets up with the cat back. pictures would probably help but i don't have any.

Quote:
Originally posted by tmaler13
The borla gen 3's end at the same place the stock headers do...will i be able to keep these on my car with the ludespeed stage 1 kit?

-Terry
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Old 07-17-2002, 03:28 PM   #10
Aphex
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the borla headers end where the stock headers do, so they will work fine.

the brullen headers are the ones that end where the stock cat pipe currently ends, so that will not work at all, we already have an excess of exhausting piping before the turbo, no need to lengthen that any more than it already is.

as far as I know, the stock, and borla headers are the only headers that will work with any turbo kit.

you could get wrx headers as long as they ended where the wrx uppipe bolts on, then you can just fab up your own uppipe from there, but that's all pure custom work, don't expect any kit maker to fab that up for you
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