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Old 06-28-2004, 10:32 AM   #1
HerculesPeanut
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Join Date: Apr 2003
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2003 WRX
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Default What Works with Borla Hush?

Like the title says, what mates to a Borla without problems?

Fore example, I've read several reviews of people using Helix and having problems with the flange.

I just looked at the Ingen and suspect similar problems. Same for Autospeed.

Short DPs seem to be the logical choice. Are there any other Short bell mouth DPs besides ScoobySport?

If you have a hush, what have you used?

Thanks
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Old 06-28-2004, 11:39 AM   #2
sur4die
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I have a hush, and i had to ditch my helix.

now i'm putting on a bosal twindump shorty. as soon as i can break this stubborn turbo bolt!

most long DPs have a flat flange, and they wont fit the hush (without a torch that is)
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Old 06-28-2004, 11:43 AM   #3
mrbigisbudgood
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I have a Helix and it mated up with zero problems.
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Old 06-28-2004, 01:37 PM   #4
suganuma2
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how did your helix bolt up but these guys had prob? just wondering before i take any further steps into buying things.
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Old 06-28-2004, 01:43 PM   #5
mrbigisbudgood
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I used a copper spray treated flat flange gasket on the DP side trimmed to match the lip of the factory donut gasket. Everything went together first time with no leaks and haven't had leaks in 10k miles.
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Old 06-28-2004, 01:46 PM   #6
Vector92
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The design of the Borla hush makes it easy to fabricate a small slip-fit adapter with a flat flange to mate up with a downpipe with a flat flange.

Use a 12 cm long section of 3-inch pipe, and weld on a 2-bolt flange to match your downpipe.

Use the search function to find more detailed discussions of this.

I have a Borla hush mated to a Random Technologies catted down-pipe, and I love the combination. (all stainless)
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Old 06-28-2004, 01:56 PM   #7
suganuma2
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do you know of any other dp that will work rather than fabricating something (which i know is the fun part) but im just looking at my options im a vw guy dont know too much about the subies yet.
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Old 06-28-2004, 04:20 PM   #8
Jeff_DML
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stromung dp + stromung high flow 3rd cat mounts fine my hushback
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Old 06-28-2004, 04:23 PM   #9
Jeff_DML
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here is a picture I took of the way the hush mounts




stromung high flow cat, stock 3rd cat mounts the same

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Old 06-28-2004, 05:21 PM   #10
HerculesPeanut
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Quote:
Originally posted by mrbigisbudgood
I used a copper spray treated flat flange gasket on the DP side trimmed to match the lip of the factory donut gasket. Everything went together first time with no leaks and haven't had leaks in 10k miles.
did you install the DP or the CB first?

So how much louder is your car after adding the Helix?

Thanks,
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