Originally Posted by quikflip27
how well do complete kits such as hasports kits perform compared to stock mounts w/ inserts. the kits i see are around 300, while inserts seem alot cheaper
The only main difference between the two is the mounts have better reinforced metal and it will replace every mount, whereas the inserts can only be used on three mounts.
A full polyurethane mount kit should only be considered on a non-daily driven car because the vibration will drive you completely nuts.