Thread: Difference between 06/07 STI and GD Spec C catback?
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Old 13-07-2010, 02:37 PM
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Originally Posted by Andy! View Post
As per title.... I have been reading around and it seems the 06/07 STI catback is the same as all other GD (2.0L) models and is close to 2.25" (see this thread on rexnet: http://www.rexnet.com.au/forum/index...23911&hl=2\.25). Anyone know for sure if the 06/07 is the same?

Apparently the Spec C catback is 2.5", can anyone confirm/deny this?

Anyone know anything in more detail about the internal structure/layout of these two mufflers?
Pretty sure the 06/07 ADM STI is 2.5" and I would be surprised if the Spec C is any different.
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