Magnum 5.2 & Doug's D453 Header Fitment Issues

Looks like you have a truck mount isolator on passenger side and a car mount on driver side . Like saiid above try using 2 truck ( thicker ) isolators. Or flipflop the 2 you have now .
He has a 6cylinder k-member with schumaker conversion mounts. This is roughly how it ‘should look’