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04 STI exhaust on 03 WRX?

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Old 03-02-2007, 02:40 AM
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04 STI exhaust on 03 WRX?
I was planning to put a stock 04 STI cat back system on my 03 WRX, and I wanted to know how much bigger is the STI pipe from the one on the WRX ?
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Old 03-02-2007, 11:03 AM
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I think the STi catback is a 1/4'' bigger than your WRX exhaust.
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Old 03-03-2007, 12:26 AM
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thanx dude.
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