Not sure which 1999 GMC Sierra Cold Air Intakes are right for you? We have over 18563 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"This was easy to install on a 99 GMC Sierra with a 5.3. The butt dyno says it gave the truck mower power. Still waiting on the evidence of gas saving. I have had it on the truck for about a week." —Shonn D from Summerville, SC bought a K&N 57 Series FIPK Air Intake (Fuel Injection Performance Kit) for a 1999 GMC Sierra, 1500, 5.3L V8.