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Originally Posted by nastyboxster
Failed my emissions test, so I have to put the cats back and retest. Luckily, it's once every 2 years and it's an easy swap. Be prepare to do this if you are going to install the bypass pipes, but I think it's worth it for a bit more punch and a louder sound.
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Did you fail the visual inspection? In California they first inspect your car to make sure all the emission equipment is in place. If it is not in place then you do not even do the actual smog test because you have already failed the visual test.