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["Lance A. Brown" <lance AT bearcircle.net>]

zman wrote:
> What they are saying is that the aftermarket cats aren't as efficient as 
> the factory ones. Your car takes the reading from the first o2 sensor on 
> the exhaust manifold, then from the second one which is post cat. This is 
> where your problem lies. The cat isn't doing it's job and the sensors tell 
> the tail. The aftermarket ones I've used seem to do ok and solve the 
> problem. I've used both Magnaflow and Catco on imports. I got them through 
> Summitracing.com Didn't seem to be any problems.

A further question.  Do I need to worry about getting a part certified 
for California emission standards?  There are lots of third part 
catalytic converters, but it seems almost none of them are CA certified.

--[Lance]

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