Thule Trail XT M concerns

[taba2]

I'm considering one for my 2020 GTR.

Cargo Baskets for Secure Gear Transport Made Fast and Easy | Thule | United States

Find the perfect cargo basket for your adventures. Explore roof rack basket collection from Thule – for durable, versatile options.

www.thule.com

I'm concerned about the range (MPG) hit and also any possible top speed limit.

Anyone own or have experience with one?

Thanks.