6061 Aluminum Alloy Construction CNC Mandrel Precision Bent 3" Tubing for a Perfect Fit 4-Ply Silicone Boots that are rated to 400psi Stainless Steel Spring Boot Clamps for a Reliable Seal 50 State Legal CARB EO # D-721-12 CARB EO # D-721-12 – 50-State Legal Sinister Diesel Cold Side Charge Pipe compatible with 2011–2016 Ford 6.7L Power Stroke V8 to upgrade the charge air system. This direct replacement for the factory intercooler pipe is engineered for strength and airflow efficiency. The 3-inch mandrel-bent 6061 aluminum alloy tubing offers a smoother interior surface and larger diameter than the stock component, helping to reduce restrictions and maintain efficient airflow. Each pipe is TIG welded for durability and finished in Limited Edition Sinister Gray for corrosion resistance and a clean appearance. This kit includes heavy-duty 4-ply silicone boots, pressure-rated up to 400 psi, and stainless steel spring boot clamps to ensure a long-lasting, reliable seal. Features: 6061 Aluminum Alloy Construction CNC Mandrel-Bent 3" Tubing 4-Ply Silicone Boots (Rated to 400 psi) Stainless Steel Spring Boot Clamps Durable TIG Welds Limited Edition Sinister Gray Finish