I ended up getting my break in service pretty late in the game at roughly 1800 miles due to them being busy. After I got the car back, I do notice burbles when I let off the gas and the upshifts sound even more brutal. Also the car idle is louder when the flaps are open. I know a lot of the guys claim the break in service doesn't do anything but I'm definitely hearing a difference. In terms of power it feels the same.
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