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03-20-2023, 11:10 PM | #1 |
Scooby Newbie
Member#: 375902
Join Date: Dec 2013
Location: Ontario, Canada
Vehicle:2004 WRXSTi Silver |
gasket between UEL headers and uppipe
so my Subaru has gotten full facelift (paint, detailing etc.), the body shop does as well not too advanced mechanical repairs.
Mechanic owns two Sti and sounds pretty knowledgeable and said he will fix the exhaust leak as well. He diagnosed it to a blown gasket between headers and up-pipe. These are DC SPORT UEL, and he hasn't so far been able to locate a replacement. DC SPORTS doesn't offer a replacement gasket. I can take the car to my Subaru mechanic, but I'd like to have it done under one roof, and the issue doesn't sound complicated... How to deal with it, when it seems there is no ready gasket replacement?, fabricating a replacement with given dimensions?, who does it in Canada or US? Would appreciate some directions on this. Thanks
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03-21-2023, 12:04 AM | #2 |
Scooby Specialist
Member#: 510366
Join Date: Jan 2020
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Try grimmspeed.com for oem style gasket or if you really need a custom because of an oddball up pipe, try cometic.com
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03-21-2023, 12:16 AM | #3 |
Scooby Specialist
Member#: 491095
Join Date: Sep 2018
Chapter/Region:
SWIC
Location: New Mexico
Vehicle:2009 STi Blue Blue |
Did you call them or just browse the website? Several companies whose products didn't stand up to my driving readily had parts to sell when I emailed or called them when they didn't advertise a replacement
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03-21-2023, 09:55 AM | #4 |
Scooby Guru
Member#: 107618
Join Date: Feb 2006
Chapter/Region:
Tri-State
Location: NY
Vehicle:06 GG WRX / 09 FXT @florencedestinedfxt |
You just need images of the connection from headers to uppipe. 2-bolt connection? 3-bolt? Most likely Grimmspeed has you covered on what gasket you need. It should also be fairly simple to measure the diameter of pipe.
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03-21-2023, 09:57 AM | #5 |
Scooby Specialist
Member#: 193940
Join Date: Nov 2008
Location: Philly
Vehicle:2004 WRX STI Black RalliSpec Shortblock |
Looks like a regular 2 bolt header to pipe gasket.
https://www.grimmspeed.com/grimmspeed-exhaust-manifold-to-up-pipe-gasket-subaru/ |
03-21-2023, 05:16 PM | #6 |
Scooby Specialist
Member#: 50072
Join Date: Dec 2003
Chapter/Region:
South East
Location: TN
Vehicle:2017 STI Blue |
Get the Grimmspeed gasket. Don't get those cheap POS cardboard foil gaskets, they'll just rust and disintegrate within 6 months.
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03-24-2023, 12:42 AM | #7 |
Scooby Specialist
Member#: 419354
Join Date: Apr 2015
Chapter/Region:
MAIC
Location: Newark, Delaware
Vehicle:2007 STI Crystal gray metallic |
I second that... Grimmspeed gaskets are the way to go unless you have some oddball setup. It's the only brand gasket that holds a seal at that location for me.
If it leaks there, it'll run like a turd and throw off your AFR, and if it's really bad, spool time will suffer as well. It's a super basic job. I'd let almost anyone do it. Remove heat shield, 2 nuts off, remove the 2 bolts, slide old gasket out, slide new gasket in, 2 bolts back in, 2 nuts back on, torque it, put heat shield back on. |
03-24-2023, 10:08 AM | #8 |
Scooby Specialist
Member#: 508105
Join Date: Nov 2019
Chapter/Region:
NWIC
Location: Greater Seattle Area
Vehicle:Link G4X flex tuned 02' EJ205 20G 6MT wagon |
Or switch to a Vband UP and do it right
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04-28-2023, 12:40 PM | #9 |
Scooby Newbie
Member#: 534043
Join Date: Apr 2023
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I assume you can get a oem gasket from your local parts place and that should fix the problem!
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04-29-2023, 02:14 PM | #10 |
Scooby Specialist
Member#: 149347
Join Date: May 2007
Chapter/Region:
NESIC
Location: Tolland, CT
Vehicle:05 LGT ,09 SpecB Black/silver |
That GS gasket should work well. You'll need to verify the DC sports pipe has a flat flange, as well as the up pipe.
A less than flat flange is most likely the issue. I have also used a bead of red RTV on both sides of the gasket, let it set up for a while, then install. |
04-29-2023, 02:14 PM | #11 |
Scooby Specialist
Member#: 149347
Join Date: May 2007
Chapter/Region:
NESIC
Location: Tolland, CT
Vehicle:05 LGT ,09 SpecB Black/silver |
double post.
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