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Catalytic conveter question?

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Old 04-08-08, 03:10 AM
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Catalytic conveter question?
This is for everyone who has bought aftermarket high flow cats... On the FD's, there is an air pipe from the air pump that goes directly into the factory (main) catalytic converter. do the after market ( bolt on) cats have the hole to insert the air pipe, for air injection?
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Old 04-08-08, 09:29 AM
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The Bonez does.
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Old 04-08-08, 09:34 AM
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With a high flow cat is it still needed to have an air pump? Or is it just an emissions thing?
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Old 04-08-08, 10:45 AM
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its not needed, but it gives the option to keep the system
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Old 04-08-08, 11:26 AM
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Keeping the air pump helps extend the life of the cat.
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Old 04-08-08, 11:50 AM
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the SMB has it, but I deleted the air pump years ago

actually I'm running a RX7 Store mp right now because I wanted to run 16 psi
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