What a nightmare...spent 4 hours the first day trying to install load bars on my Audi TT (this rack was "specialy designed" for this car...HA!). Returned to dealer several times and they could not do any better. Thule customer service is a joke. They verified the placement of the load bars and the wind deflector is getting in the way of my wipers, WTF! What really iritates me the most is that Yakima does not make a roof rack for my car and I am stuck with this. Going back to dealer one more time to get proper fit, will return and go with Yakima hitch rack if they cant help.
These are working great so far for a Cargo Box and Canoe mounts on top of our 2017 Subaru Forester. I was leery about these as they sit up a bit higher than the factory crossbars, but the AeroBlades live up to their namesake. Without a load on top, I don't hear any extra noise with them installed and our mileage appears to be spot on with what it was without any cross bars installed. The vehicle's computer calculated ~35.2 MPG doing 70 on the interstate with some front and tail end driving on the streets with a local commute. That's is right around what the vehicle gets without cross bars. If there is a difference, we're talking a difference of decimal points. I had thought for sure that the MPGs would take a beating at highway speeds in particular with cross bars. The only con that comes to mind is that with the Cargo Box (Thule Atlantis 1600) on top, we can't pull into our garage door as it's just a bit too tall. The factory bars, which would sit lower by about an inch or two would likely allow for it, but then we would lose the ability to mount the canoe as the width of the mounting space on the aluminum is significantly reduced with those. With these, you can use the full top of the bar for mounting with the T bolts as well as wraparound accessories. The factory Subaru cross bars only accommodate wraparound accessories as there is no slot/channel for T bolts. For our vehicle, at the foremost mounting point on the roof rails, the spacing between them is 39". The foot packs underneath the bars do come inward a bit, but the usable space between the foot packs for wraparound accessories on the front bar is right around 36" (less on the rear bar), which is more spacious than what the Subaru cross bars would allow for. So far, we are very pleased with this setup!
I have been a long time fan of Thule racks and accessories. Then at sixty Mph my two week old Kayak departed the rack still attached to a new pair of Thule Hull-a-ports. Thule make a bomber rack system and the Hull-a-port is a great concept but why the plastic clamps?. The kayak landed safely in a snowbank but I worry about what might have happened.
I use the rapid traverse foot pack and aero blade bars. The foot pack was simple to install and stays rock solid, I check and tighten periodically but they've never been close to loose. The bars are very strong and nearly silent at freeway speeds, which start at 65 in CA. I can easily transport my 2 yaks, I use a cheap j rack bought on Amazon for my smaller lighter kayak and the Yakima even keel for the big heavy one, obviously not a symmetrical setup but they both fit easily in that configuration and I don't have much other choice, my lifetime sportfisher will not fit in J racks. For toting a couple miles to local beaches it's never an issue. I don't bother with nose straps if I'm not going more than 10 miles, but I have for longer trips. In each case there's never been a problem or any movement.
In addition to looping the synch down straps around the factory rack, I run them through the rigging on my boat deck and through the bottom part of the "J bend/brackett" of the rack to get to the factory roof rack. I figure that this way if the Thule rack does give away at least it and the boat have a better chance staying with the truck longer until I can pull over. I hope this helps, overall I think the rack is really a good affordable option that requires some added attention and caution when using but overall it is well worth the money.
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Last year I bought a Suburban (now I have two racked vehicles) and bought a set of Thule #450 Crossroads to mount to the factory rails. I was little concerned about the rack coming loose. Not that the rack would have a problem, but rather the factory rails would rip out of the Suburban’s roof. Happy to say, after several 1500 mile trips to Maine and Hilton Head my concerns have been but aside. This thing is as rock solid as I was used to.
Aluminium bars include T-track slots which allow you to use the full length of the bars for load carrying. The WingBar not only looks good but more importantly includes a device which reduces wind noise to the minimum, as well as reducing drag. Many customers leave their Thule WingBars in place from week to week, especially if they are taller vehicles and fitting is awkward.