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Old 11-17-2010, 11:24 AM   #1
bugeyegrocerygettr
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Default New Header and up pipe install. What am i in for?

I got my new header and up pipe today so i will proably be putting them on tonight. Im just wondering how much of a pain in the ass this is going to be since i have never done one on a subaru before. Before everyone starts asking i got all new gaskets, bolts, and up pipe studs. Its not an expensive set up by any means but all the welds look great and i got a good deal on it. Thanks for the help.
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Old 11-17-2010, 11:55 AM   #2
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exhaust manifold is easy (most of the time), uppipe is a PITA even when you know what you're doing just cause it takes a good amount of work.
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Old 11-17-2010, 12:25 PM   #3
bugeyegrocerygettr
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Quote:
Originally Posted by nhat View Post
exhaust manifold is easy (most of the time), uppipe is a PITA even when you know what you're doing just cause it takes a good amount of work.
I just wanted to know what all im in for or if there are any little tricks that might help me. For the most part im very good with a wrench ive done several engine swaps and have been working on cars since i was tall enough to reach the engine bay with my old man, so the PITA part doesnt bother me too much. I just dont have much exxperience with subarus and with any other make of car there are little tricks that help alot when your doing certian things.
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Old 11-17-2010, 01:00 PM   #4
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If I recall correctly, you will have a hard time squeezing the up-pipe between the engine and some other part of the car (forget which one) as you try to get the up-pipe to the turbo.

When I installed the up-pipe in my old wrx, I think I used Vishnu's trick of unbolting one of the engine mounts (the one closest to the up-pipe) and raising the engine with a jack about an inch to get the clearance I needed.
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Old 11-17-2010, 01:06 PM   #5
Tut4u2
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Which brand did you get? If its ebay then be prepared for possible fitment issues...ask me how I know.

PB Blaster + breaker = friend
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Old 11-17-2010, 02:42 PM   #6
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Since you're doing both at the same time you have much, much less headache.

Make sure you have all the gaskets, measure the studs (some kits studs are too tall and you don't know until it's time to put the downpipe back on, think about where the O2 sensor goes when you orient the bolts on the header/uppipe flange (you'll want the heads of the bolt on the O2 sensor side - otherwise you'll interrupt an O2 sensor socket's path) and most importantly, you'll want to make sure THEY CLEAR THE SUBFRAME - Some don't and either bend the header or make a GOD AWFUL noise
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Old 11-17-2010, 02:59 PM   #7
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Quote:
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most importantly, you'll want to make sure THEY CLEAR THE SUBFRAME & OIL PAN - Some don't and either bend the header or make a GOD AWFUL noise
and that thing too.

to make your life easier: take off the dp, turbo, and exhaust manifold in that order. you can try to wiggle the up-pipe out or unbolt the passenger's side motor mounts and jack the engine up a bit to give you clearance.
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Old 11-17-2010, 03:31 PM   #8
Boogalo
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just bend the crap out of the temperature sensor that sticks out of the stock pipe and you can twist it out without unbolting the turbo or motor mounts.
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Old 11-17-2010, 05:04 PM   #9
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Quote:
Originally Posted by nhat View Post
and that thing too.

to make your life easier: take off the dp, turbo, and exhaust manifold in that order. you can try to wiggle the up-pipe out or unbolt the passenger's side motor mounts and jack the engine up a bit to give you clearance.
Don't remove the turbo from the inlet/oil return. Asking for trouble IMO. You can wiggle the up pipe out from under the turbo, or through the crossmember and down.

Though! While you're in the area without an up pipe, it's a good idea to check the condition of that line and it's clamps.



And yeah, check oil pan clearance. If you're going unequal length, non issue. If you're going equal length, it's critical to have the skinny 2.5l STI/WRX pan. Not the wide betty 2.0l oil pan
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Old 11-17-2010, 06:43 PM   #10
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Heat wrap the header if you have some.
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Old 11-17-2010, 07:06 PM   #11
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Prepare your anus.
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Old 11-17-2010, 07:57 PM   #12
KillerBMotorsport
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Spray all bolts with liquid wrench and listen to Abnormal
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Old 11-17-2010, 09:53 PM   #13
bugeyegrocerygettr
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Yeah from what i can see it wont be too hard. I think i already have the hardest part done, by that i mean gettin the damn heat shields off bolts were so rusted i thought i was going to have to cut them.......also if i take the intercooler off i dont need to take the turbo off right? Im waiting on a friend of mine to get off work so i can take my car to his house that way we have a heated garage to work in......i will post up in the morning when i get home and say how it went. From what i can see i wont have much problem and PB Blaster is going to be my best friend.
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Old 11-17-2010, 10:06 PM   #14
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You don't need to take off the TMIC.
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Old 11-17-2010, 10:09 PM   #15
bugeyegrocerygettr
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Quote:
Originally Posted by Tut4u2 View Post
You don't need to take off the TMIC.
I have a STI top mount on my car so it over hangs on the sides alot more than a stock one........you cant get to the bolts on the inside of the uppipe with the TMIC on.
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Old 11-17-2010, 10:19 PM   #16
Tut4u2
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There you have it then I thought you still had the stocker...
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Old 11-17-2010, 10:19 PM   #17
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Yeah you can, you just need to become a contortionist Taking the TMIC off will make it easier though. There's no point in taking the turbo out. With the manifold off the up pipe slides right down.
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Old 11-17-2010, 10:36 PM   #18
bugeyegrocerygettr
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Yeah it will take all of 5 mins to get the TMIC off, im all about making life eaiser lol.......im leaving to go put this stuff on in about 5 mins so we will see how it goes.
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Old 11-17-2010, 11:42 PM   #19
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did anyone mention and O2 sensor socket yet?

Abnormal is right on the install, however some equal lengths do clear the 'big betty' oil pan. So tell us what manifold, unless you are already sure of fitment.
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