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Old 07-31-2019, 05:18 PM   #1
SightsSetStudios
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Member#: 499997
Join Date: Apr 2019
Chapter/Region: BAIC
Location: California
Vehicle:
2001 Impreza OBS

Default Diy Single Port UEL Headers

Looking to weld up my own from some mandrel bent since it seems the only place to get a set is Inferno Fab. Just wondering if anyone had any tips? Does the ratio between the length of the two unequal pipes up to the collector matter, and if so does anyone know what it should be? Any other insight is welcome as well. Thanks.
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Old 08-01-2019, 02:00 PM   #2
SightsSetStudios
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Member#: 499997
Join Date: Apr 2019
Chapter/Region: BAIC
Location: California
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2001 Impreza OBS

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Anyone?
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Old 09-26-2019, 12:32 AM   #3
PWpaperweight
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Join Date: Sep 2017
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I had built my own a long time again and just went for it, it had a pretty good rumble, I did not measure the lengths just followed what I thought was the best route. It was similar to the turbo car routing but on the opposite side. I also tacked all of it on vehicle to get everything lined up properly then removed it and finished the welds. There may be some magic length but over the equal length you may loose power it just won't be noticable on this engine. Have fun with it and go for it and keep the old ones incase something doesn't work out!
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Old 10-14-2019, 03:23 PM   #4
Hellzbellz123
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Member#: 506998
Join Date: Oct 2019
Chapter/Region: NWIC
Location: Tacoma
Vehicle:
1997 Impreza Outback
Red

Outback Sport Reply to DIY UEL Headers

Dirt Cheap daily has a good video of doing this.
i plan on doing something similar when i have the mony
cheers


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