3'' down pipe to sti catback HELPP!! - Subaru WRX Forum
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post #1 of 2 Old 01-26-2012, 10:52 AM Thread Starter
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Join Date: Jan 2012
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Exclamation 3inch down pipe to Sti cat back

Okay well I saw on you tube some one attached there 3" down pipe to a sti catback on there 02wrx wagon I also have the same car and I have a 3" catless down pipe sitting in my trunk I just have the sti down pipe on now basically what im asking is any ideas on how to attach them are the flanges the same or is there some way to attach with a universal flange any info would help thank you I will post the video for you guys thank you


Last edited by mosc; 01-26-2012 at 02:46 PM. Reason: merg'd -mosc
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post #2 of 2 Old 01-26-2012, 02:01 PM
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pzr2874 is known to be trustworthy and helpful pzr2874 is known to be trustworthy and helpful
There are several different ways and not all work the same.

MOST of the time, you can reuse the stock donut gasket and reuse the spring bolts that your car already has.

You are wanting to put a catless aftermarket DP on a stock STi catback? Correct? If so, the info above is what you need to do.

2002 WRX Sold
2007 WRX Sold
2007 STi totaled
2007 Foz XT sold
2007 MS3
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