I took off the underbody panel today on my 2013 Gen 3 and found the "REINFORCEMENT SUB-ASSY, SIDE RAIL, REAR LH;REINFORCEMENT, FRONT SUSPENSION MEMBER, LH (51108-12010)" to be very rusty. The right-hand rail looked fine for its age. Two questions: Why might the left side be so much worse than the right? Does anyone here have any experience replacing this part? It seems like it is just bolted on and I'm hoping it is as simple (ha!) as unbolting the rusty one and swapping in a new one.
