Will a 06 sti stock downpipe fit in my 03 wrx? I have been looking around the forums, and i'm pretty sure it will fit. Just looking for a quick yes and no from someone that know for sure. I'm only swapping it in to do smog check because i'm running a catless downpipe. my catback and turbo is stock, and i assume the sti dp will bolt right in?

 

probably i have interchanged lots of exhaust parts and i have yet to find anything that doesnt fit yet

 

if you think about it this way...

the same aftermarket downpipes fit on both WRX's and STi's, so that means there is no difference between the downpipes (dimensions-wise) on the WRX's and STi's. I can't imagine the catalytic converters would be different either.

 

its teh same


different part numbers from the dealer but they are the same