2004 GMC Sierra 2500 HD 6.6L V8 Cold Air Intake

Cold Air Intake for 2004 GMC Sierra 2500 HD 6.6L V8
  • Designed to bring in cooler air with less restriction for more power
  • Guaranteed power gain
  • Outstanding engine protection
  • Easy installation
  • Oversized high-flow reusable air filter
  • Million Mile Limited Warranty
  • Power gaining products since 1969
K&N performance cold air intake systems for 2004 GMC Sierra 2500 HD models are designed and dyno tested in-house in our own R&D facility. These GMC cold air systems provide a guaranteed increase in horsepower that you can feel.

Your 2004 GMC Sierra 2500 HD deserves the best cold air intake available!

VehicleProduct  
2004 GMC Sierra 2500 HD 6.6L V8 DieselLB7
Truck
I love the air intake system. It has really improved the power of my duramax!
Abby Bohlen, Wellington, FL
Performance Intake Kit
K&N 57-3034
  • High Density Polyethylene Tube
  • Guaranteed to Increase Horsepower
  • 50 State Street Legal
List Price: $509.99
Your Price: USD $280.99
In stock
2004 GMC Sierra 2500 HD 6.6L V8 DieselLLY
Truck
So far i notice the additional power when accelerating on the freeway on-ramps, waiting to check mileage.
Bob Humbert, Vacaville, California
Performance Intake Kit
K&N 57-3047
  • High Density Polyethylene Tube
  • Guaranteed to Increase Horsepower
  • 50 State Street Legal
List Price: $537.99
Your Price: USD $296.99
In stock
2004 GMC Sierra 2500 HD 6.6L V8 DieselLB7
Truck
Very user-friendly.
Dahlton Wagner, Amarillo, Texas
Performance Intake Kit
K&N 77-3034KP
  • Free-flowing Aluminum Tube
  • Chrome-Like Finish Intake Tube
  • 50 State Street Legal
List Price: $647.99
Your Price: USD $357.99
In stock
2004 GMC Sierra 2500 HD 6.6L V8 DieselLLY
Truck
Performance Intake Kit
K&N 77-3047KP
  • Free-flowing Aluminum Tube
  • Chrome-Like Finish Intake Tube
  • 50 State Street Legal
List Price: $630.99
Your Price: USD $347.99
In stock