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Discussion Starter · #1 ·
What do you recommend as longer lasting reasonably priced aftermarket bolt-on catalytic converters for my Tacoma?
 

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Discussion Starter · #2 ·
Here are the approved cats in California:
AP Exhaust Holdings
Car Sound Exhaust System, Inc.(MagnaFlow)
Converter Unlimited, Inc.
Eastern Manufacturing Inc.
International Muffler Company
Walker Manufacturing Company

I know MagnaFlow and Walker have good reputations, but I know nothing about the other 4 companies. Feedback would be appreciated.
 

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Discussion Starter · #4 ·
With the cost of rare earth metals skyrocketing due to COVID, who can predict what the costs will be in the future. I decided to go with Walker at nearly $700 rather than MagnaFlow at nearly $900.
 

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Discussion Starter · #5 ·
Does anyone know the size of the flange bolts (diameter, pitch and length)? I'd hate to have to cut them off and then find I neither have replacements nor a truck to pick them up.
 

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Discussion Starter · #8 ·
I went with Walker 81978. I found one for $550 delivered, including the 2 gaskets. Also, after getting differing information from the dealers, I finally came up with the bolt size. I bought 4 M10 X 1.25 X 35mm 10.9 grade bolts & lock-nuts. For $3 total, I couldn't see reusing the old bolts, even if I am able to remove them without ruining them.
 
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