exhaust leak problems

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May 3, 2004 | 02:54 PM

.:: 808 STi ::.

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exhaust leak problems

hey...anyone who owns a helix DP....do you have exhaust leak problems comming from the DP to the mid pipe?...i have a Blitz nur spec...if so how'd u fix it?...

can anyone help me with this prob?....

i was thinking just to rip off both flanges (on the DP and MP) and put brand new ones on both so they fit better...

May 3, 2004 | 04:02 PM

DizzyWRX

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Did you replace the gaskets? That might be the problem.

May 3, 2004 | 09:22 PM

SubaruStu

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Car Info: Blue wrx 03

quick fix for that leak

I had the same problem with my invidia down-pipe, i went to kragen and got the high temp copper gasket sealer, that was 3 months and no problems

May 3, 2004 | 11:15 PM

scbynut

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could try the new gasket/copper sealant route, but changing to a proper fitting flange by a performance exhast maker is the ticket

Flowmaster, Magnaflow, and others offer exhaust flanges in many dimensions.

Phil

May 4, 2004 | 12:41 PM

Ditty77

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I have the blitz nur-spec with HKS dp and never had a problem

May 4, 2004 | 01:27 PM

.:: 808 STi ::.

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thanks for all the help guys!! :banana:

Last edited by .:: 808 STi ::.; May 4, 2004 at 01:30 PM.

May 5, 2004 | 12:04 PM

ScubaruImpreza

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I have the same problem. Helix downpipe mated to a 3" stromung catback...SubaruStu thanks for the info, I will try that high temp copper gasket sealer.

May 5, 2004 | 12:44 PM

chubb

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Quote:

Originally Posted by .:: 808 STi ::.

Sorry about the noob question ... how did you know your DP / midpipe was leaking? Was it making a whistling noise or a flapping noise?

thanks.

May 5, 2004 | 03:07 PM

ScubaruImpreza

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you can hear the air leaking out at idle and it gets really loud at some rpms. somewhat like a flapping noise.

May 12, 2004 | 12:34 PM

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simpwrx02

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the exhaust leak can also rob some power if it is before the O2 sensor by confusing ecu of true air/fuel mixture....takes away timing buddys car is doing this.

May 13, 2004 | 12:46 AM

#11

steedsta

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i have a helix dp to a blitz nur spec, i put on yesterday and it leaks there.....

.... but that might be because i dont have a gasket there.

any ideas on where the exhaust is squeeking it goes "eeeekkk eeekkk" and my car makes a wierd rubbing sound when i turn like it is the drive shaft rubbing the exhaust, and my car also makes a wierd sound during a surtain rpm, i think it is a heat shield.. gosh my car makes all kinds of wierd noises.