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Old 08-31-2006, 03:00 AM   #1
92XJET
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Member#: 97425
Join Date: Oct 2005
Chapter/Region: MAIC
Location: Hoodbridge
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00' GC8, 04' FXT
silver

Default What DP to use with an Sti cat back?

Like the title says, what down pipe manufacturer mates with an Sti cat back with no leak problem and uses the same gasket?
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Old 08-31-2006, 04:43 AM   #2
Devil27
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2008 Lexus ISF
Starfire White Peal

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i think the helix bellmouth does
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Old 08-31-2006, 05:30 AM   #3
92XJET
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Quote:
Originally Posted by Devil27 View Post
i think the helix bellmouth does
I was told Helix has a different gasket style that wont mate with an Sti
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Old 08-31-2006, 09:51 AM   #4
02WHITEDUB
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Now with more clunks!

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Cobb!
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Old 08-31-2006, 10:16 AM   #5
sedanman10
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Invidia
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Old 08-31-2006, 10:30 AM   #6
Okeyd57
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Location: Beaver, W.V.
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2006 STi
Obsidian Black Pearl

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I put an Invidia V2 catless dp on my 06 STi. It mated up fine with the stock mid-pipe.
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Old 08-31-2006, 10:32 AM   #7
anjion24
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Invidia FTW!!!!
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Old 08-31-2006, 10:33 AM   #8
chuckml97
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05 WRX Wagon
WRB

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Quote:
Originally Posted by 92XJET View Post
I was told Helix has a different gasket style that wont mate with an Sti
Only dp with donut gasket will have perfect connection, cobb or MadDad. But you can also get shorty dp, such as storumug, oakos, bosal...
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