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stock exhaust pipe size?

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Old 03-17-03, 05:20 PM
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stock exhaust pipe size?
Hey what is the size of the stock exhaust pipe on a 1985 gsl-se?

Inner diameter?
Outer diameter?

I am asking because I plan to replace the catalytic converter with some pipe and need to know what size pipe and adapters to use.

Thanks
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Old 03-17-03, 06:40 PM
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I USED TO WORK IN A EXHUAST SHOP I THINK IT'S 1 7/8
OD
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Old 03-18-03, 12:47 PM
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1 7/8...thanks for the input...I will go by some 1 7/8 pipe and get rid of my cats
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Old 03-18-03, 07:48 PM
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You will still need a way to open your extra ports.
I have a RB replacement pipe for sale.

https://www.rx7club.com/forum/showth...hreadid=148594
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