Some more JDM stuff...FS maybe?
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From: San Francisco Ca.
Car Info: 04 aspen white sti
i can understand why i would need the up pipe and maybe the equal lenth manifold but whats the purpose of the down pipe. Does twin scroll mean that there are twin up pipe entries and twin downpipe exits that both need individual boost pressures
josh
josh
Originally Posted by sfwrx2
i can understand why i would need the up pipe and maybe the equal lenth manifold but whats the purpose of the down pipe. Does twin scroll mean that there are twin up pipe entries and twin downpipe exits that both need individual boost pressures
josh
josh
Last edited by maku; Apr 15, 2005 at 06:39 PM.
Thread Starter
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Joined: May 2004
Posts: 723
From: bay area
Car Info: 03 Legacy GT Wagon
Originally Posted by maku
the downpipe used on those twinscroll use a different flange. your usdm downpipe you have now will not bolt up correctly.
Also the turbo has 2 wastegate ports that why the different flange size.
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