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Questions abt Cat Bypass Exhaust

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Old Mar 3, 2012 | 12:49 PM
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Questions abt Cat Bypass Exhaust
exhaust for my Gen 1 997.1 Turbo, and hv been looking around Europipe, Fabspeed, and GMG. Just a few questions before purchase. Hope you guys could help.
If i purchase those cat bypass (Catless)
1. Will it trigger the Check Engine Light?
2. Would I be able to put my OEM exhaust back when I need to pass the emission test?
or should I get those cat??? Thanks!!!!!!!!!!!
 
Last edited by GT3 Chuck; Mar 3, 2012 at 01:34 PM. Reason: not enough posts, time and not in open forum
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Old Mar 3, 2012 | 01:42 PM
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1- Yes u will get check engine code with catless exhaust.
2- I guess yes you can.

Do u have a reflash ecu?
 
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Old Mar 3, 2012 | 01:44 PM
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I have the apr ecu...so wt I am required to do. What does reflashing ecu mean?
 
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Old Mar 3, 2012 | 02:00 PM
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Originally Posted by rlau1288
I have the apr ecu...so wt I am required to do. What does reflashing ecu mean?
Both r same. I believe u won't get check engine code since u have APR ecu.
 
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Old Mar 3, 2012 | 02:37 PM
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I will contact the dealer to confirm then. Thanks!!
 
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