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
These K&N cold air intake systems are designed for the 2004 GMC Sierra 2500 HD and they are guaranteed to add horsepower. K&N GMC cold air intakes come with a large reusable air filter for excellent airflow and engine protection.

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
57-3034 2004 GMC Sierra 2500 HD 6.6L V8 DieselLB7Performance Intake Kit
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
57-3047 2004 GMC Sierra 2500 HD 6.6L V8 DieselLLYPerformance Intake Kit
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
77-3034KP 2004 GMC Sierra 2500 HD 6.6L V8 DieselLB7Performance Intake Kit
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
77-3047KP 2004 GMC Sierra 2500 HD 6.6L V8 DieselLLYPerformance Intake Kit
List Price: $630.99
Your Price: USD $347.99
In stock