Cold Air Intake for Chevy Cadillac GMC Trucks (2007-2008) 4.8L 5.3L 6.0L 6.2L

High-Flow Cold Air Intake for 2007-2008 Chevrolet, GMC, Cadillac Trucks & SUVs (Gen IV Vortec / GMT900)

What it Does: Replaces the restrictive factory air box and corrugated piping with a high-flow aluminum tract and open-element filter to reduce intake air temperatures and increase volumetric efficiency.

The Stock GMT900 Airflow Restriction

The factory intake system on GMT900 trucks and SUVs utilizes baffled plastic tubing and a closed, paper-element air box designed primarily for NVH (Noise, Vibration, and Harshness) reduction rather than optimal airflow. This corrugated OEM piping creates turbulent air pockets, slowing air velocity and contributing to sluggish low-end throttle response. Furthermore, the factory plastic air box is highly susceptible to engine bay heat soak, particularly during heavy towing or prolonged idle conditions. This results in elevated Intake Air Temperatures (IAT), prompting the ECU to retard ignition timing and artificially limit torque output.

The Engineering Solution

This cold air intake system replaces the OEM restriction with a polished, lightweight T-304 aluminum intake pipe. The smooth internal surface minimizes boundary layer turbulence, maximizing air velocity directly into the throttle body. A precision-cut, carbon-black powder-coated steel heat shield isolates the upgraded washable, reusable high-flow cone filter from radiant engine bay heat, ensuring a consistently denser, cooler air charge. By optimizing airflow dynamics and significantly lowering IATs, this kit yields a proven 7-10% increase in horsepower and a 6-8% gain in torque. Mid-range throttle response is sharply improved, complemented by a deep, aggressive induction note under heavy engine load.

Technical Specifications

Compatibility

• 2007-2008 Cadillac Escalade with 6.2L V8 Engine
• 2007-2008 Chevrolet Avalanche with 5.3L / 6.0L V8 Engine
• 2007-2008 Chevrolet Silverado 1500 with 4.8L / 5.3L / 6.0L V8 Engine
• 2007-2008 Chevrolet Suburban 1500 with 5.3L / 6.0L V8 Engine
• 2007-2008 Chevrolet Suburban 2500 with 6.0L V8 Engine
• 2007-2009 Chevrolet Cheyenne 2500 with 5.3L V8 Engine
• 2007-2008 Chevrolet Tahoe with 4.8L / 5.3L V8 Engine
• 2007-2008 GMC Sierra 1500 with 4.8L / 5.3L / 6.0L V8 Engine
• 2008 GMC Sierra Denali with 6.2L V8 Engine
• 2007-2008 GMC Yukon with 4.8L / 5.3L V8 Engine
• 2007-2008 GMC Yukon Denali with 6.2L V8 Engine
• 2007-2008 GMC Yukon XL 1500 with 5.3L / 6.0L / 6.2L V8 Engine
• 2007-2008 GMC Yukon XL 2500 with 6.0L V8 Engine
• Note: Fits Automatic and Manual Transmission. Will not fit Classic Models. Will not fit Hybrid.

The GMT900 Platform Standard

Engineered for high-load durability and thermal efficiency, this intake ensures consistent, reliable volumetric efficiency whether you are pulling heavy trailers, hauling payload, or seeking sharper daily drivability from your Vortec V8.