no more trying to shine a flashlight through a muddy tank. Our tanks also incorporate internal baffling to ensure coolant stays where it needs to be, even when the road gets rough. The Mishimoto degas tanks boast a 9.86% total increase in coolant capacity over the stock tanks to squeeze even more cooling potential under the hood.The Mishimoto 2011-2019 6.7L Powerstroke Aluminum Degas Tank kit is available in a stealthy micro-wrinkle black powder coat or natural finish to match any custom theme. Of course, these degas tanks are also backed by Mishimoto's Lifetime Warranty. In the unlikely event that you have an issue with either tank, Mishimoto has you, and your 2011-2019 Ford 6.7L Powerstroke, covered.