u need to cut shut and weld the new shock tower in order to clear the camber arms as they extend more than the oem, hence why alot of USA guys do it, not sure on the cost but id say not worth the money
http://i70.photobucket.com/albums/i1...049aeb84ea.jpg
http://i158.photobucket.com/albums/t...3-27162200.jpg
http://i91.photobucket.com/albums/k2...8c3d0dc6_b.jpg