Cold Air Intake for Chevy Tahoe (2000-2006) 4.8L 5.3L V8 EnginesStop settling for the sluggish off the line response that plagues the stock GMT800 chassis and give your V8 the unrestricted airflow it needs to actually breathe. Performance High Volume Air Intake for Chevy Tahoe (Vortec 4800 5300) If you have spent any time on the forums, you know the 4. 8L and 5. 3L Vortec engines are legendary for their longevity, but the factory "S bend" intake tube and restrictive air box are notorious for killing throttle