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Old 10-05-2012, 08:12 PM   #1
Scooby Guru
Member#: 46135
Join Date: Oct 2003
Chapter/Region: Tri-State
Location: NY
02 WRXstiV9 Spec C

Default Old OEM exhaust Info W/Pics

So I always wanted to confirm the info about the OEM exhaust, Prodrive components, Stromung, etc. Now I have and here are some pics:

First, any long downpipe or center pipe that ends with a donut has the following internal diameter...

The above happens to be the Prodrive center pipe.

Next, the OEM rear/resonator pipe has the following internal diameter at the outlet:

Then the Stromung rear pipe,2.5" has the following outlet inner diameter:

Enjoy my old Diesel Mercedes in the Background..

Then Stromung VS OEM, at the inlet:

The Prodrive Axleback has the following inlet inner diameter:

I think this is interesting info, even if it applies to old cars...
Next I will take a look to see if the OEM resonator is baffled or straight-through..
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