If you’re looking to add more power and sound to your 1999–2006 Silverado or Sierra with the 5.3L V8, a cold air intake is one of the most popular first mods. Here are the best options.
Why a Cold Air Intake on the 5.3 GMT800?
The factory airbox on the GMT800 is functional but mildly restrictive. A quality cold air intake improves airflow and can provide 10–20 HP of gains, better throttle response, and a more aggressive induction sound.
Top Pick: K&N 57-3023-1
K&N 57-3023-1 Cold Air Intake for 4.8L/5.3L/6.0L GMT800 – The most popular and best-reviewed cold air intake for the GMT800 platform. Fits 1999–2006 Silverado, Sierra, Yukon, Tahoe, and Suburban.
What to Expect:
- Gains: 10–20 HP depending on other mods
- Sound improvement: Better intake induction at WOT
- Installation: 30–45 minutes, no drilling required
- Filter: Washable and reusable (never buy paper filters again)
Alternative Options:
- Volant 15752: Enclosed airbox design – keeps filter cooler
- S&B 75-5071: Dry filter, easier to clean and no re-oiling
Installation Notes:
The K&N 57-3023-1 includes an aluminum intake tube and replaces the factory plastic airbox. The MAF sensor from the factory airbox plugs into the new tube.
Caution:
Make sure the intake allows you to easily reconnect the MAF sensor. A missing MAF will throw a code and run rich.
What intake are you running on your GMT800 5.3?