Word of advice... get the King Headz center diff brace right from the start.
If you decide to use the upgrade shock towers...double up the front tower with the stock one behind the upgrade...then you will need to dremel the slot in the towers where the upper hinge pins pass through. The plastic spacer on the hinge pin will have a tiny amount of contact with the shock tower...this is not good...just need to dremel the tower enough to eliminate the slight binding.