I WTB J's Differential mounts, but everywhere I look they have been discontinued. Does anybody have some of these? Were they no good and discontinued for a reason?

 

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just fyi, i have them on my car. and they are very high quality no doubt (i love them--besides performance, they look awesome). but if they had a reason for discontinuing its due to how much noise they transfer. to put it simply, they are LOUD. unless if you want your car sounding like a race car (which mine is) i would highly suggest you to think this over.