According to Thule, the # TH711420 53 inch WingBar Evo crossbars are the longest crossbars that will work on your vehicle. Thule crossbars have a slot in the underside that the roof rack feet fit into. The slots don't run all the way across the bottom of the crossbar, so if you go too long with the crossbars, the feet won't match up with the slots.
Yakima offers JetStream crossbar that would allow longer (60 inch) bars. If you wanted to go that route, you'd use the # Y00426 bars. You'd... view full answer...