downpipe question

[nissans13240sx]

I read that the CA18 downpipe is the same as the rb20. Is this fact or myth?

Sorry if it is a repeated question, I did attempt to search but did not prevail.

[BoostFab]

where did you read that ?

the downpipe are all the same; the turbo-back is the difference

[nissans13240sx]

which downpipe is most suitable, I know the CA18 is the same, but how much different is the SR20 downpipe?

from this thread

zerothread/34102.

By turbo back do you mean the outlet? I am wondering if I buy a CA downpipe can I bolt it right up to my stock rb20 outlet?

[nissans13240sx]

anyone? ^

[neonbomb]

i remember reading that also somewhere. i have a mckinney dp id sell for cheap if you want, email me