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  1. 2011 - 2014 Mustang GT Tech
    My exhaust drones something fierce from 1800 and 2100 RPM, which happens to be at 70 to 80 mph, so it's there all the time on the highway. I have a Flowmaster Hushpower catback. I was thinking that a set of glasspacks, installed in the straight part of the exhaust after the x, would act as a...
  2. 2.3L Tech
    well a couple of weeks ago i noticed that it was running rich and the idle rpm has always been kinda high like 1400 or so so i adjusted it down to about a grand and it still ran rich... i thought the o2 sensor and the MAF worked in sync to adjust fuel/air ratios but i am also getting a check...
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