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Stock exhaust piping?

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Old 09-21-2011, 07:57 PM
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Default Stock exhaust piping?
Anyone know the pipe diameter of the stock Y-pipe on a 1998 Z/28? I'm getting a cutout so I need to know the exact size.
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Old 09-21-2011, 09:52 PM
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Well the stock y-pipe would be hard to install anything on since majority of it is squashed and ovalized. If your refering to the i-pipe, that is 2 3/4". If so, a 3" cut-out is what your after.
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Old 09-22-2011, 06:01 PM
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Originally Posted by Jay-P
Well the stock y-pipe would be hard to install anything on since majority of it is squashed and ovalized. If your refering to the i-pipe, that is 2 3/4". If so, a 3" cut-out is what your after.
yes I was reffering to the i-pipe... and thank you, I'm going with a 3".
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