catalytic converter application question - Mercedes-Benz Forum
 
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post #1 of 2 (permalink) Old 08-08-2019, 08:01 PM Thread Starter
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catalytic converter application question

Hello

Any opinions or preferences on Walker cats and Magnaflow cats? Or are they pretty much the same?

My car is a 1987 Mercedes Benz 300E and the California approved cats are:

Walker - 81133

https://www.amazon.com/Walker-81133-.../dp/B01HQSIIVG

and


Magnaflow - 338008

https://www.amazon.com/MagnaFlow-338.../dp/B00C9XD0HG

the magnaflow is a 2 in 2 out and the Walker is 1 in 2 out. Is this ok? Will the muffler shop be able to make either work or is there an error in one of the application listings?
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post #2 of 2 (permalink) Old 08-11-2019, 12:30 AM
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Vehicle: 1993 300CE Cabriolet (mine) ; 1994 E320 Wagon (wife's) ; 1990 Benz 300E 2.6 (son's)
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your exhaust headers have dual output (dual 3 into 1's), so I dunno how walker can do the 1 in... I'd go with the magnaflow, welded into the original pipes.

the stock system has two cats side by side, front three cylinders feed into one, rear three into the other, the two cats feed seperately into the front muffler, that has a single fatter pipe out which goes to the back muffler, which has two exhaust pipes out.


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