2004 Subaru Impreza WRX STi 2.0L H4 Cold Air Intake

Cold Air Intake for 2004 Subaru Impreza WRX STi 2.0L H4
  • 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 Subaru Impreza WRX STi and they are guaranteed to add horsepower. K&N Subaru cold air intakes come with a large reusable air filter for excellent airflow and engine protection.

Your 2004 Subaru Impreza WRX STi deserves the best cold air intake available!

VehicleProduct  
2004 Subaru Impreza WRX STi 2.0L H4 - All Models
Automotive
Love k&n filters. Easy to order and I know I can trust their products. Either for economy or horsepower , They have it covered...
Kurt Knutsen, Woodland, Washington
Performance Air Intake System
K&N 57-0626
  • Replacement High-Flow Air Intake Tubing
  • Open Air Performance Air Filter
57-0626 2004 Subaru Impreza WRX STi 2.0L H4 Performance Air Intake System
List Price: $323.69
Your Price: USD $177.99
In stock
2004 Subaru Impreza WRX STi 2.0L H4 - All Models
Automotive
Performance Air Intake System
K&N 57A-6018
  • Adds Power & Torque
  • Performance Air Filter Inside Protective Shell
57A-6018 2004 Subaru Impreza WRX STi 2.0L H4 Performance Air Intake System
List Price: $471.69
Your Price: USD $259.99
In stock
2004 Subaru Impreza WRX STi 2.0L H4 - All Models
Automotive
I like the K&N filter.
Jose Valencia, Antioch, California
Performance Air Intake System
K&N 69-8001TS
  • Free-flowing Aluminum Tube
  • Silver Powder Coat Finish Intake Tube
69-8001TS 2004 Subaru Impreza WRX STi 2.0L H4 Performance Air Intake System
List Price: $560.09
Your Price: USD $308.99
In stock
2004 Subaru Impreza WRX STi 2.0L H4 - All Models
Automotive
Really great product and well worth the price, dramatically increases power, throttle response, and turbo sound. Everything fits great, but make sure you have all the listed tools. Took me about two hours to install without the ratchet extension. Thanks K&N 2007 wrx
Billy, Baltimore, Maryland
Performance Air Intake System
K&N 69-8001TWR
  • Free-flowing Aluminum Tube
  • Red Powder Coat Finish Intake Tube
69-8001TWR 2004 Subaru Impreza WRX STi 2.0L H4 Performance Air Intake System
List Price: $563.29
Your Price: USD $310.99
In stock