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-   -   Whats the difference? (https://www.scoobynet.com/general-technical-10/903526-whats-the-difference.html)

Blue and Gold 30 August 2011 06:38 PM

Whats the difference?
 
between a decat downpipe and a decat up pipe, are they two different parts or one part with two names? :confused:

Jimbob 30 August 2011 06:40 PM


Originally Posted by Blue and Gold (Post 10211638)
between a decat downpipe and a decat up pipe, are they two different parts or one part with two names? :confused:

Up pipe is to the turbo from the engine, and downpipe is from the turbo to the exhaust.

One goes up, one goes down lol.

Turbotits 30 August 2011 06:42 PM

Different parts. Up pipe is the pipe leading up and into the turbo. Down pipe is the exit pipe from the turbo

DonNedly 30 August 2011 07:41 PM

http://i20.photobucket.com/albums/b2...w-text-600.jpg

cuprajake 30 August 2011 07:42 PM

it is very confusing, i had this lol, if you have a wrx then you have a cat in both pipes if you have an sti then you have just a cat in the down pipe,

Turbotits 30 August 2011 07:46 PM


Originally Posted by cuprajake (Post 10211770)
it is very confusing, i had this lol, if you have a wrx then you have a cat in both pipes if you have an sti then you have just a cat in the down pipe,

Dependand on year of car. No models had uppipe cats till new age around 2001

Blue and Gold 30 August 2011 08:11 PM

well I have an MY03 STI so it looks like I don't have a cat in the uppipe then cheers :D

Turbotits 30 August 2011 08:15 PM


Originally Posted by Blue and Gold (Post 10211820)
well I have an MY03 STI so it looks like I don't have a cat in the uppipe then cheers :D

Correct no up pipe cat on the sti

alex_00s 30 August 2011 09:12 PM


Originally Posted by Jimbob (Post 10211642)
Up pipe is to the turbo from the engine, and downpipe is from the turbo to the exhaust.

One goes up, one goes down lol.

:lol:
Ask a silly question... :p


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