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15-16 GM 6.6L Duramax K&N Performance Cold Air Intake Kit

  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Free-flowing aluminum tube
  • Replaces entire factory air intake system
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • Washable and reusable lifetime air filter
  • K&N Million Mile Limited Warranty

The K&N 77-3087KP high-flow performance air intake system is a free-flowing, mandrel-bent aluminum tube air induction system. Your vehicle’s restrictive factory air filter and air intake housing are replaced by this K&N air intake system which is designed to dramatically reduce air flow restriction as it smoothes and straightens air flow. The improved air flow allows your engine to inhale a larger amount of air than it would from the stock air intake. More air means more usable power and acceleration throughout your engine’s RPM range. The 77-3087KP air intake comes with a black metal topped K&N high-flow air filter and a heat shield that installs into the previous air box space. Air is directed through the intake tube into the engine’s throttle body for a guaranteed power gain. The intake tube features an attractive chrome-like finish that's made to last and it accommodates the engine’s factory emissions control devices including the mass air flow sensor. The oversized cone shaped air filter can be used for up to 100,000 miles before servicing is needed depending on driving conditions. This air intake is relatively easy to install, usually in 90 minutes or less, using commonly available tools.
Some K&N 77 series air intakes are not legal for sale or use in California and other states adopting California emission standards while others are 50 state legal. View the 77-3087KP vehicle applications to determine the legal status for each vehicle.

Product Specifications

Estimated Horsepower Gain

19.94 HP @ 2950 RPM

Air Filter Color


Air Filter Height

7.5 in (191 mm)

Air Filter Material

Cotton Gauze

Air Filter Outlet Shape


California Restricted

Not legal for sale or use in California

Clamp Material

Stainless Steel

Clamp Style


Clamps Included


Couplers Included


Intake Pipe Color / Finish


Product Box Height

15.6 in (396 mm)

Product Box Length

24.2 in (615 mm)

Product Box Width

20.2 in (513 mm)

Product Style

77 Series Kits

Replacement Filter


Street Legal In All US States


TUV Approved (Europe)



17.4 lb (7.9 kg)


Lame California Prop 65 Notice
Tags: K&N , LML , 6.6L , Duramax , Cold , Air , Intake , Kit , 77-3087KP