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Old 07-08-2006, 08:49 AM   #1
Scooby Specialist
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Join Date: Jul 2004
Chapter/Region: MWSOC
Location: Springfield, MO
2002 WRB wrx - Sold
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Default Normal STI exhaust VS oem wrx exhaust...

my buddy is giving away his 04-05 STI exhaust pretty much... its just the oem catback system... was wondering what sort of (if any) gain it would give my 02 wrx.... will this give any hp gain at all.... or any sort of louder boxer sound????If so I plan on using this until I can decide which turboback system I want to end up buying.

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Old 07-08-2006, 09:18 AM   #2
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Member#: 26568
Join Date: Oct 2002
Chapter/Region: NESIC
Location: Brighton, Mass
2003 Yellow Bugeye
Version 8-Vf37


might be a tad louder. i believe the piping is the same except for the sti axle back is 2.5" vs the wrx oem axleback which is 2.25". i call for a 3lbs of torque increase across the powerbank
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Old 07-08-2006, 09:19 AM   #3
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Do you really think this question has never been asked before. Let me give you a hint: it has about 9,845 times.


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