You will be fine. The carriers are designed to give a bit, in conjunction with an uneven roof and/or bar setup. I preferred the clean look and with with the Thule aero blade edge.
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Thanks for the reply! I'm debating on getting the stock bars or the Thule Aeroblade Edge bars. Cost is the main factor then noise level. Not sure you can attach a fairing to the stock bars to reduce to noise level.