11-16 Duramax LML 4" GDP Open Air Intake w S&B Filter Filter:S&B Dry The Cross-Air taps into an

The Cross-Air taps into an existing port at the front and rear of the cylinder head that are normally sealed off with a freeze plug style fittings from the factory

EAS (Expandable Accessory System) compatible

The RetraxPRO is key lockable in any position that gives you unlimited flexibility in your hauling capacity

and even wire loom for a beautiful install

Easy Plug & Play Installation

11-16 Duramax LML 4" GDP Open Air Intake w S&B Filter Filter:S&B Dry The Cross-Air taps into anGDP OPEN AIR 4 INTAKE TUBE W SB FILTER DRY 11 16 DURAMAX 6. 6 RAW Weve tested sealed box intakes vs open air intakes, and have found that overall vehicles do best without a sealed box around the intake. So we came out with our own 4 Open Air intake kit. These kits use American made parts, w stainless steel tubing & high quality 7 layer filters from S&B. Let your truck breath better than the factory intake, while keeping even more dirt out. Our kits