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Old 06-03-2005, 04:48 PM   #10
GDR
Scooby Specialist
 
Member#: 34924
Join Date: Apr 2003
Chapter/Region: SCIC
Location: Corona,Ca
Vehicle:
03 WRX Wagon
81 Scirocco S

Default

Quote:
Originally Posted by rexster
also, the bracket that mounts to the tranny is different. the sti downpipe has a shorter bracket that won't line up the wrx. i suspect it is because the sti tranny is larger.
I just picked up a 05 sti TBE and compared it to my 03 WRX spare TBE and this is the ONLY thing different between the two downpipes. I never thought about the tranny but that has got to be the reason for the shorter bracket which of course will make it different part number.

As for the rest of the system.

3rd cat = Same

Res pipe= same 2.38"ID. Res section is about 2-3" longer on Sti vs. my 03.

Mufflers, Sti is 2.38" ID pipe all the way, 03 WRX starts at 2.38" ID at the flange but necks down to 2.12"ID right after.

These minor differences in the res and muffler pipes could be do to just the year and not the model.
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