Rear frame rails question

I bought some here from a member for the Duster and welded them in...about 15" on both sides. Take your time it's not too bad. I put some 14ga rectangle tubing inside of the rails on the car to help with alignment and acts like a backing plate while welding them in. Had it done in a day...it was a pretty long day...then patched up the trunk floor the next day..

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