Most Popular - 9 Inch for 2015 Acura RDX

We bought this to tow our 3,000 lbs. boat with our Subaru Ascent with a 5,000 lbs. towing capacity. With the OEM ball mount, we could really feel every jolt and jiggle from hard stops, going over bumps in the road, and trailering down dirt roads. However, the dual cushion ball has really improved our trailing experience. Once we get up to speed, we hardly notice we are towing our boat. It's also great because some of the lakes we visit are down dirt roads, and the cushion makes this a much more pleasant experience. I would highly recommend this to anyone towing a boat or larger trailer with a SUV as it maintains that comfortable ride and the jostling of the trailer is much less noticeable.

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Rusted within 30 days. The manufacturer refused to warranty the product. I have continued to use it, but it has required some serious rust mitigation and is a flawed product.