AIRAID Cold Air Intake by K&N: Increase Horsepower, Dry Synthetic Filter: Compatible with 1999-2007 CHEVROLET/GMC/CADILLAC (Escalade, Avalanche, Silverado, Suburban, Tahoe, Sierra, Yukon) AIR-201-712

Expensive, but well constructed, has a slick coating on the inside, nice fit, and comes with everything you need for installation. The clamps are perfect size and the rubber boots fit well. The air filter element was a little warped around it's perimeter. My only complaint was the box it came in was in poor condition and looked like it was opened and re- closed a few times, probably while going through customs during shipping.

I purchased for my 2004 Yukon 5.3 liter. It does the job and increases HP. Fuel efficiency unnaffected so far. Waiting on Header installation.

Works but did not change performance or gas mileage

Previous owner of my truck swapped the oem air box for the auto one special spectra premium cold air intake and it was absolute junk. Went and grabbed a factory box for 10$ at pick-n-pull and purchased this kit and was able to clean up the engine bay along with my e fan conversion. Highly recommend this kit for clean and actual “cold” air intake as it uses the factory box that sucks in air from outside the engine bay.

Love the sound it gives the burban and can definitely say it feels quicker because of the extra power and the added throttle response. BTW this intake setup has been proven to be more efficient than the traditional metal tube and heat shielded cone filter as the stock air box is said to be a "cold air box".

This is the cold air intake deal. Many others are twice the price, but with no more and perhaps less performance. The factory airbox flows enough air just fine. I wanted to get rid of the factory air tube with all of its weird channels. I am very happy.

If you’re going to go with a new intake, go Airaid; it’s an obvious choice. That said, the difference this kit makes on a GMT 800 (5.3L LM7 in my case) isn’t huge. It definitely deepens the sound a little and increases the throttle response just a little but the difference really isn’t worth the price. I think I’d recommend the filter alone as a nice upgrade but this kit with the intake tube is just too expensive for what it does.

Fit my 2003 Chevy suburban Z-71, didn’t see any major noticeable power improvement.