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Any Ideas on this knocking noise?

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Location
West Chester Pa
#1
Recently picked up this 2019 with 47,000. Had all 3 motor mounts done and replaced with OEM. Had transmission fluid drained and filled with 2L Ravenol MTF-2. Knocking noise persist. Usually begins after car has warmed up. Can hear knocking noise when slowing down. Knocking starts between 10-15 mph. Can hear knocking when giving it little revs. Also, I’m pretty sure I can hear it while just driving but hard to tell over engine noise and other noises.
Thanks!
View: https://imgur.com/a/1AyEs1v
 




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