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.

Turbo Upgrade (downpipe) Questions

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Old Feb 3, 2004 | 05:32 PM
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trebsrex's Avatar
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Turbo Upgrade Questions?????

I'm just wondering if you change to a bigger turbo do you have to change your downpipe to accomodate the new bigger turbo or will it align with the holes of the old downpipe...
Old Feb 3, 2004 | 11:19 PM
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The VF series IHI turbos have the same bolt pattern as the stock and aftermarket downpipes. You don't want to use the restrictive stock downpipe with a big turbo. What type of turbo upgrade are we talking about?

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Old Feb 4, 2004 | 02:18 AM
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yes lambert, what turbo upgrades are we talking about here? is it for when you get the accessport?
Old Feb 4, 2004 | 10:26 AM
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Originally posted by Wingless Wonder
The VF series IHI turbos have the same bolt pattern as the stock and aftermarket downpipes. You don't want to use the restrictive stock downpipe with a big turbo. What type of turbo upgrade are we talking about?

--
0==WW==0
"…axles of evil…" - george w. bush

doh you beat me to it
Old Feb 4, 2004 | 10:31 AM
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Like what has been said above, it all really depends on which turbo you wish to upgrade to. Also, it is not good to run a stock downpipe with a turbo upgrade. After all, if you've got the money to do an upgrade and you want more power I assume, then why stick with stock DP?
Old Feb 4, 2004 | 02:17 PM
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I've got the invidia turboback on my car right now I was just checking if i need to change the downpipe(again)to make the bigger turbo fit..Thanks for your replies
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