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Old 06-13-2002, 01:15 PM   #1
ants wrx
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93 RB25det powered 240sx

Default downpipe installation = easy?

well i did multiple searches and found nothing useful. so....

how hard is it to install a downpipe? i'm thinking about ordering up the turboxs stage 2 for my birthday (today). i think i can manage the install except for the dp part. can anyone supply some detailed instructions for a beginner? also, are there torque specs for the downpipe or the rest of the exhaust? because i dont own a torque wrench..

thanks
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Old 06-13-2002, 01:24 PM   #2
BeavisNuke
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TurboXS Stage 2.5

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TurboXS has very good instructions with pictures on their website. Take a look.
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Old 06-13-2002, 01:59 PM   #3
tt_ttf
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one of the biggest issues is how old the car is as the nuts on the turbo car be hard to get off. Use a liberal amount of penetrating oil and let it sit

The heat shield can be a PIA to get off - more bolts than you would think and some are hard to get to. removing the IC will make that simpler

as for getting a torque wrench in there - good luck - there is no much space in there (especially on the lower bolts).

last word - have a friend help - will make it a lot easier

Its really only a couple of hours to remove and put the new one on
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Old 06-13-2002, 04:05 PM   #4
racerwrx
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having replaced an uppipe last weekend... the downpipe would be a piece of cake!

The basic process will probably look like:

- disconnect neg. battery terminal
- pull intercooler (3 hoses, 2 bolts, 3 clamps)
- remove turbo heat shield (a bunch of little bolts, 12mm i think)
- remove downpipe bolts (14mm bolts. use liquid wrench and 6-sided sockets.)
- jack up car and put it on stands
- crawl under for the next step:

From under the car, what you have to remove depends on how long your downpipe is, but basically there are bolts connecting the pipes at the joints, and there's a 14mm that bolts the downpipe to the transmission. It should all be highly visible from under the car.

Also, it shouldn't be a problem, but be careful with the rear o2 sensor and wires, although that's further back in the exhaust.

Most of the downpipe bolts are in the 23-26 lbs torque range, but check the proper values before putting it all back on. And DON'T overtighten!

You may want to have a 14mm flex-head socket on hand, or at least a flex-joint.

I found it more of a PITA to put the intercooler back on then to put the downpipe in ;-)

Good luck!
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Old 06-13-2002, 04:51 PM   #5
kenshiro
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I'd say the heat shield is the hardest part. That thing annoyed the hell out of me. I never put it back on.
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Old 06-13-2002, 10:02 PM   #6
norseone
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Quote:
Originally posted by racerwrx
having replaced an uppipe last weekend... the downpipe would be a piece of cake!

The basic process will probably look like:

- disconnect neg. battery terminal
- pull intercooler (3 hoses, 2 bolts, 3 clamps)
- remove turbo heat shield (a bunch of little bolts, 12mm i think)
- remove downpipe bolts (14mm bolts. use liquid wrench and 6-sided sockets.)
- jack up car and put it on stands
- crawl under for the next step:

From under the car, what you have to remove depends on how long your downpipe is, but basically there are bolts connecting the pipes at the joints, and there's a 14mm that bolts the downpipe to the transmission. It should all be highly visible from under the car.

Also, it shouldn't be a problem, but be careful with the rear o2 sensor and wires, although that's further back in the exhaust.

Most of the downpipe bolts are in the 23-26 lbs torque range, but check the proper values before putting it all back on. And DON'T overtighten!

You may want to have a 14mm flex-head socket on hand, or at least a flex-joint.

I found it more of a PITA to put the intercooler back on then to put the downpipe in ;-)

Good luck!
I have a question for you. When I tried to remove my intercooler there was 4 bolts on the underside, two on the passenger and two on the drive. The passenger ones were easy enough but the driver side, what a PITA!. Is there any other way besides removing the intercooler all together. I mean should I be able to slide it out of the way? Any help woud be grealy appreciated.

-NORSEONE
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Old 06-13-2002, 10:13 PM   #7
tt_ttf
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Not sure what you were doing!

There is 2 bolts (one on either side of the intercooler) and other than that it is only the 3 hose clamps (throttle body, compressor & BOV return)

Or are you talking about the heat shield bolts - other than removing the IC, the only other way is to feel your way but it can be done
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Old 06-13-2002, 11:31 PM   #8
norseone
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Default my bad

Instead of trying to remove the hose clamps I was trying to unbolt the part that the hose is connected to. I just forgot about it and left the IC in. I was able to get the heat shield off without a hitch. Nothing like a little elbow grease. But you do not have to remove the IC to get the heat shield off, would prolly make it easier though. Whatever. Thanks for your help though.


-NORSEONE
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Old 06-14-2002, 02:33 AM   #9
bman1069
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Hey I replaced my downpipe last week and I didn't even touch the intercooler. So, if you are having any problems removing the ic, don't even bother you can easily remove downpipe without it.
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Old 06-14-2002, 03:41 AM   #10
topher
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yeah i just put in a new DP. my friend and i did it in about 45 min without taking off the IC.
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Old 06-15-2002, 03:14 AM   #11
datdudedennis
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dp is a piece of cake. removing the intercooler is not neccessary.

instructions:
1. take off the heat shield (7 bolts i believe)
2. remove bolts holding dp to turbo.
3. remove bolts on the brackets holding the stock dp in place.
4. take out the o2 sensor
5. unbolt dp from catalytic convertor or catback exhaust

thats about it
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