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I have noticed some new findings after 1 week of installing the Cobb AP.
First, I used to have a ton of soot on the back of my AW bumper even after a good washing on the 1st or 2nd day. After 3 days, I noticed there is atleast 50% less soot on the back bumper. It is much better than before. The car must be running less rich at idle and low band which would explain why the pickup is much better.
Secondly, I feel like the engine noise has slightly changed. Does anyone know if the Cobb AP increases the water pump pressure or low/high fuel pump pressures for Stage 1 -Drive?
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