i HAVE A 2018 EDGE 3.5 TITANIUM WITH ABOUT 37000 MILES ON IT. WITH MODERATE ACCELERATION THE ENGINE SOUNDS LIKE A 1980'S FOUR CYLINDER FLOORED. EG. IT WAS A QUICK BUY AS I HAD HIT A DEER. ARE THESE THINGS JUST GENERALLY NOISY? i KNOW IT HAS VARIABLE INTAKE ON EXHAUST AND INTAKE, WHICH DOESN'T HELP QUIETNESS ESPECIALLY IN A AMERICAN MADE ENGINE. AT ONE TIME I HAD A 4.6 IN A CROWN VIC AND IT WAS NEVER AS NOISY AS THIS 3.5 EVEN AT ABOUT 200,000 MILES.