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Engine/Power - EJ20T (pre-2006 WRX and JDM) There is replacement for displacement, it is forced induction - OEM 2.0 liter turbo engines in the USDM WRX. 90-94 Legacy Turbo EJ22 turbo engines can also be discussed here.

Helix DP + Stock CB?

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Old Mar 23, 2006 | 11:42 AM
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wvinfernovw
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From: Springfield, VA
Car Info: 2004 wrx
Helix DP + Stock CB?
Will there be any issue running the 3" Helix Downpipe with the stock catback? matchin up the flange problems? leaks?
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Old Mar 23, 2006 | 11:51 AM
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symby
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Joined: Mar 2004
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Car Info: 2002 Impreza WRX
Yes leaks.. I have a Helix DP (flat flange) and SPT exhaust (donut), its leaking a bit. I used the flat flange crush gasket that came with the downpipe. Some Gasket Maker might help though.
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Old Mar 23, 2006 | 04:35 PM
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GasPipe DreameR
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Car Info: lowered blk04 with no motor
yes it will leak. i bought a catback instead of some adaptor
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Old Mar 31, 2006 | 04:35 PM
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ScubaruImpreza
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Car Info: 04 Impreza WRX
Yeah it leaks and it sounds dirty. Also the stock muffler is too restrictive. Just run an open downpipe and you won't have to worry about leaks between flanges haha
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Old Mar 31, 2006 | 04:53 PM
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Monoxide
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Car Info: WR Blue 2004 WRX
Originally Posted by ScubaruImpreza
Yeah it leaks and it sounds dirty. Also the stock muffler is too restrictive. Just run an open downpipe and you won't have to worry about leaks between flanges haha
I did that for about a month. Sounded so bad ***, and ran really strong.
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