4% Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Black Mishimoto Sale! from $424.99 USD $444.39 USD /per Qty. Add to Cart This item is either made to order or has limited inventory. Please reach out to confirm lead times if needed. Mishimoto 01-07 Chevy/GMC 6.6L Duramax Degas Tank - Black