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.
