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Invidia DP to Megan CBE

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Old 10-20-2011, 07:29 PM
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Invidia DP to Megan CBE

What's up everyone, new to the site and the WRX world...got a quick question.

I recently purchased an Invidia DP for my '11 wrx, used...so it came with no hardware. I also have a Megan Racing catback. The Invidia is a flat flange, while the Megan is a donut style. I was under the assumption that since the Megan is a 3" exhaust, it'd need a 3" donut gasket...but it came with an OEM sized donut gasket. Will the GrimmSpeed 3" flat to OEM donut adapter work? I know it works with the OEM and SPT exhausts. I would get the 3" flat gasket and just try that without the adapter, but it still seems like there wouldn't be a great seal. I've searched and searched but can't seem to find a definitive answer. Thanks in advance!
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Old 01-26-2012, 02:02 AM
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cut and weld a 3" flange.
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