This is a discussion on !!Wanted!!! Sti Downpipe within the Personal For Sale & Wanted forums, part of the ClubWRX.net Marketplace category; ?????...
Some more information would be nice.
Why are you looking for an STI downpipe? Replacing a damaged unit?
As described in this thread they are virtually the same as the WRX Downpipe.
sti oem downpipe VS. wrx oem downpipe - NASIOC
I have an 06 WRX the 2 choices are spending a grand get a after market dowpipe and a access port so theres no check engine problem. OR swap out the wrx for the sti downpipe to get lil gains without the sacrifice of having a idiot light.