S&B Cold Air Intake for 2001-2004 Chevy / GMC Duramax LB7 6.6L (Dry Extendable Filter)

Make Sure It Fits Is your vehicle a LB7 or LLY? Check the eighth digit of your VIN to find out. If it's a 1 you've got a LB7 and you'll need this kit. If it's a 2 you've got an LLY and need the 75-5102 kit.

Engineered to outperform your stock intake. Our one piece air box design features an integrated box seal that keeps out unwanted engine heat. The cooler the air, the greater the density, resulting in better performance.

Looks great, long lasting and can take the heat. Premium silicone seals won't tear or crack and can handle temperatures as high as 400?.

Quick and Easy Install Designed to fit better than the stock intake. You'll be breathing easy in 45 minutes.