COLD AIR INTAKE NSB75-5101 '01-'04 GM 2500HD, 3500HD 6.6L LB7 DURAMAX
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 NSB75-5102.
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.
Premium silicone seals won't tear or crack and can handle temperatures as high as 400℉.
Designed to fit better than the stock intake. You'll be breathing easy in 45 minutes._________________________________________________________________
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