4" Cold Air Intake & Exhaust Header Kit for Chevy GMC

Performance air intake and exhaust header combination for compatible Chevrolet and GMC truck/SUV applications.

Exhaust Header

• T304 stainless steel construction
• Outlet size: 2.5"
• Primary tube size: 1.66"
• Head flange thickness: 7/16"
• Outlet flange thickness: 3/8"
• 8-2 lightweight design
• CNC-machined flanges with TIG/MIG welded construction

Air Intake System

• T-6061 aluminum construction
• 4" high-flow performance intake design
• Heat shield helps reduce radiant engine-bay heat

Fitment

Fits selected 1999-2006 Chevy/GMC Avalanche 1500, Silverado 1500, Suburban 1500, Tahoe, Sierra, Yukon and Yukon XL applications with 4.8L or 5.3L engines. Exceptions apply; verify vehicle compatibility before ordering.

Package Includes

• 1 x Exhaust Header Kit
• 1 x Air Intake Kit
• Mounting hardware as shown

Professional installation is highly recommended.