Thread: Review of RPi GT Exhaust
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      03-02-2009, 03:25 PM   #36
dogears
My master volume goes to 11
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Drives: 2021 BMW M5 Competition
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There are 2 sets on each cat. Before and after. So the computer can sniff what is going on...

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Originally Posted by KiokenM3 View Post
from what i saw on my car the o2 sensors mount on the cat not after, so o2 sensors emissions shouldnt be totally off.
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