HomeAll RepliesRe: 2013 Terrain Denali Re: 2013 Terrain Denali Sponsored May 2, 2012 at 11:36 am #39794 Alex LuftKeymaster Yeah, I’m not sure about airflow, but it definitely will keep the cargo area cooler. Not sure by how much, but cooler for sure. Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored