Loudest Exhaust Set Up?

coremaster21

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Does anyone know what would happen if I switched from catted x-pipe to o/r without getting a re-tune? Really not trying to go back to my tuner lol.
 

roy_1031

roy1031
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Does anyone know what would happen if I switched from catted x-pipe to o/r without getting a re-tune? Really not trying to go back to my tuner lol.

Probably a check engine light from the rear O2's reading rich. Maybe they're already shut off. It's probably a really easy touch up for your tuner and can probably be done over an email. ‍♂️


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coremaster21

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Probably a check engine light from the rear O2's reading rich. Maybe they're already shut off. It's probably a really easy touch up for your tuner and can probably be done over an email. ‍♂️
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Understood, thanks man!
 

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