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If you think the diesel fumes are more noticeable then a remap won't fix it. The oem exhaust has a catalytic converter in it. Does the new exhaust have one? If not then that's probably the reason. You can get hi flow after market cats but not sure how affective they are compared to the oem cats.
It has the cat in the exhaust, might be a smaller one.
Originally Posted by Rock Trol
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