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Thread: 99 SS exhaust??????
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01-11-2007, 06:51 AM #1
99 SS exhaust??????
i have a 99 SS m6 and im about to buy a complete exhaust system and i want to remove my cat.....how do i remove it wothout the computer throwing codes or without it running like crap? what exactly do i have to do?
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01-11-2007, 07:30 AM #2
you have to buy O2 simulators found on the websites of some of our sponsors
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01-11-2007, 10:39 AM #3
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03-05-2007, 08:16 PM #4
do those help you pass emissions i want to get full exhaust without cats here in chicago but i dont think i would pass emissions
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03-06-2007, 06:01 AM #5
O2 sims or zap it with a tune.
Most emissions places just plug into the OBDII port with no sniff test. But inspection (if you have it) might fail you if you have no cats.
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