Air Intake for GMC Sierra Yukon (2007-2008) 4.8L 5.3L 6.0L 6.2L

High-Flow Cold Air Intake for 2007-2008 GMC Sierra,Yukon

What it Does: The Cold Air Intake replaces the restrictive factory airbox and corrugated ducting on the 2007-2008 Sierra and Yukon to lower intake air temperatures and optimize volumetric efficiency across the rev range.

The Stock GMC Sierra,Yukon Intake Restriction

Factory GMT900 platform trucks suffer from an intake tract heavily compromised by acoustic noise attenuation rather than airflow performance. The OEM assembly incorporates baffled resonance chambers and flexible accordion-style rubber couplers that induce boundary-layer turbulence and disrupt laminar air velocity entering the throttle body. Furthermore, the stock enclosed air box draws from restrictive fender cavities through dense, disposable cellulose panel filters that rapidly drop flow capacity as particulate accumulates, exacerbating pumping losses during heavy towing or aggressive throttle demand.

The Engineering Solution

This direct-replacement system upgrades the induction pathway using a mandrel-bent, polished aluminum intake pipe engineered to sustain smooth, continuous internal airflow. By removing restrictive resonators, the system standardizes flow velocities directly over the factory mass airflow sensor housing to protect fuel trims and prevent lean engine codes. An integrated steel heat shield seals against the hood liner using durable weatherstripping to isolate the conical, high-flow air filter from radiant exhaust manifold temperatures, delivering denser charge air into the intake manifold.

Technical Specifications

Compatibility

• 2007-2008 GMC Sierra 1500 4.8L V8 (LY2)
• 2007-2008 GMC Sierra 1500 5.3L V8 (LY5, LMG, LC9, LH6)
• 2007-2008 GMC Sierra 1500 6.0L V8 (L76)
• 2007-2008 GMC Sierra 1500 Denali 6.2L V8 (L92)
• 2007-2008 GMC Yukon / Yukon XL 1500 4.8L V8 (LY2)
• 2007-2008 GMC Yukon / Yukon XL 1500 5.3L V8 (LY5, LMG, LC9)
• 2007-2008 GMC Yukon / Yukon XL 1500 6.0L V8 (L76)
• 2007-2008 GMC Yukon Denali / Denali XL 6.2L V8 (L92)

Frequently Asked Questions

Does this fit the GMT900 Sierra,Yukon?
Yes, this is a direct fit for the 2007-2008 GMC Sierra,Yukon equipped with the Gen IV Vortec V8 engine.

Is an ECU tune required after installing this cold air intake?
No, this intake retains the factory MAF housing calibration and will operate properly with the stock ECM tune without triggering a check engine light.

The GMC Heavy-Duty Standard

Engineered to handle the real-world thermal stress of high-payload hauling and towing, this intake setup ensures consistent airflow density and sustained low-end torque without collapsing under high manifold depression.