Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Downpipe vs Uppipe

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Old Jan 28, 2003 | 08:57 PM
  #1  
blackwagonrx's Avatar
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From: Daly City
Downpipe vs Uppipe

Which would one should I get first. Which one will give me the most HP if any? I heard the uppipe was useless unless i have a header and i heard its really hard to install. Whats a good brand to get. Any suggestions. Please help. Thanks.
Old Jan 28, 2003 | 09:20 PM
  #3  
PhreeZe's Avatar
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From: Gig Harbor, Washington
Car Info: 2002 WRB WRX
You need both IMO. Uppipe gives rid of alot of the lag and gives some good HP numbers. Downpipe is gonna free alot of your car up. Do both at the same time. It saves time. As for brand, I'm going TurboXS, but Perrin. Vishnu and Godspeed are all great.

Jason
Old Jan 28, 2003 | 10:36 PM
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From: Lake Forest, Calfornia
Car Info: 2004+ Two Tone Green
quote by ShotgunTC88:

"I would go with the Upipe first as it releaves you of the problem of heat it produces and gives you roughly 5-7 horses."

no, no. and no.

first of all releaving heat would not produce more hp. in fact if you can retain the heat the exhaust velocity would be greater causing more hp and faster turbo responce. the entire reason you get an up pipe is to remove the factory catylist which is in front of the turbo impeding air flow.

i would personally get the up pipe first as you will notice more power.
Old Jan 28, 2003 | 10:41 PM
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get both at same time... save some installation fee charge! i am going to install my up-pipe and downpipe this week. hopefully i will feel the different!
Old Jan 29, 2003 | 10:08 AM
  #7  
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From: Lake Forest, Calfornia
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Smile

no prob. only here to help.
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