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Author Topic: Miltek turbo back exhaust  (Read 1014 times)

Offline kodirl

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Miltek turbo back exhaust
« on: October 18, 2019, 06:25:30 pm »
Folks I am getting a miltek turbo back exhaust put onto my car tomorrow. It's a 200cell cat , non resonated type. My car has not been mapped yet and is totally standard.  I am aware I will have problems with exhaust cell light on dash. I won't be able to get the car mapped until two weeks time. Is this very bad for the car to drive it for two weeks like this before getting mapped?

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Offline GVK

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Re: Miltek turbo back exhaust
« Reply #1 on: October 18, 2019, 06:28:09 pm »
You'll just get a P420 code for catalyst efficiency, will still drive the same just with EML light on.