By all means keep them.

I have heard you can get up to 90.00 per cat (as long as it is the original, and depending on year and model).

I am trying to find scrap yards in my area to see how much they will pay for mine.

I expect to recoup about 50% of what I paid for the work done on my exhaust.

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1999 Porsche 996 Carrera Convertible
1994 420E - SOLD
1986 300E - SOLD, what a car
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