uppipe or downpipe FIRST?

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Mar 2, 2004 | 07:05 PM

#16

Dallas P&P

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Quote:

Originally posted by DOHCammin
uppipe. adds more power than a downpipe, cheaper than the downpipe. If you get the downpipe first, you'll have to remove it to install the uppipe (not a big deal but it has to be done)

I think you may have those confused. The dp will add more power to your WRX. DOHCammin is correct in that you do have to remove the dp to install an uppipe. Removing and reinstalling a dp can become one of the easiest installs to do after a while.

Mar 2, 2004 | 08:59 PM

#17

Kevin M

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Joined: Nov 2002

Posts: 18,369

From: Reno, NV

Car Info: 1993/2000/2001 GF4 mostly red

Quote:

Originally posted by oxtox
well after gutting an uppipe i can tell you the chances of the cat breaking apart are slim to none. took me hours with bf hammer, drill, dremmel, bent screwdriver....it's got some serious stayin' power....probably last a hundred years if some ahole kid didn't tear it apart. now the egt sensor....that's a different kettle of fish, this is the thing that could screw up your turbo...it's why most aftermarkets come with a bung. for those interested http://webpages.charter.net/baraboo_...ppipe_fix.html enjoy!

Unfortunately, the effects of a hammer and and screwdriver do not approximate the efects of 1500F temps and corrosive gases released from hydrocarbons. I personally would never trust my turbo to a gutted cat unless it was removed through chemical means.

Mar 3, 2004 | 07:22 AM

#18

ride5000

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Joined: Feb 2003

Posts: 488

From: 12.9 / 105+

Car Info: black my03 5mt wrx s/w

only newbies stop with a chisel/hammmer/screwdriver...

a hole saw, grinding wheel, and wire brush, in that order, finishes the job. i ASSURE you without any doubt--there ain't nothing more coming out of that up pipe. there's simply nothing but nice shiny steel left.

if you've got the tools and a little practice, you can do one in an hour. i just might start doing them for profit (done 3 now).

jm2c
ken

Mar 3, 2004 | 10:01 AM

#19

oxtox

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well okay, i was being a little oversimplistic, but i did include the link which would correct any misperceptions...sorry for the ambiguity. of course after wire brushing, yeah steel and bronze, you are left with a nice smoth, shiny, no more cat left piece. i have no idea how chemicals would remove that cat and would appreciate any input (perhaps you mean residual chemicals,??surely not the whole cat). and ride, if you do go into the business, i've got an oem uppipe i'd sell at a song!