Has anyone ever had them replaced? If so how much did it cost?

 

Well I guess no one has a clue of what this project will cost me. I’ll let you know what the local stealership says.

 

I have not, but some videos on YouTube. Does not look like a horrible project and the mounts I believe are fairly cheap from RockAuto.

 

I think there are 2 reasons for the lack of responses so far - 1 our member base leans pretty heavily towards DIY repairs (especially as these cars get older / cheaper), 2 - the LS4 population on here is pretty small as it was a rather short production run (compared to say a 3400 / 3800 that makes up probably 75%+ of our members).