Storm the competition with a K&N 69 Series Typhoon Intake System. This cold air intake comes in a cold air, short ram or convertible cold air/short ram design. Choose yours in red, silver, blue or polished. Million Mile Limited Warranty.
Got a good grip on your wheel? Good. Because the aFe Cold Air Intake is going to take you on a wild ride. This cold air intake rams performance-inducing air down your combustion chamber’s throat to take power to the max. Lifetime Warranty.
Rule the roads with the dyno-proven power of Injen's SP Series Cold Air Intake. This high-performance upgrade is specially engineered for speedsters seeking untamed top-end power. Mandrel bent aluminum tubing. 2 cool finishes. Lifetime Warranty.
The AEM Cold Air Intake System makes your engine scream. These cold air intakes draw in cool air for huge gains in horsepower and torque. Choose yours in one of 4 intake pipe colors. Made in the USA. Backed by a Lifetime Warranty.
Nothing produces power like a cold blast of clean air flowing through Injen's IS Series Short Ram Intake. It boosts horsepower and torque by drawing in air through aluminum tubes and a high-flow air filter. Polished or black finish. Lifetime Warranty.
Quench your craving for unrestrained horsepower and tire-turning torque with Injen's RD Series Cold Air Intake. This cold air intake system mounts behind your front bumper to suck in colder, denser air for mid-range power gains. Lifetime Warranty.
The AEM Short Ram Intake delivers all the horsepower and prestige of an AEM cold air intake for less. Custom engineered and tuned for your specific sport compact. Choose your cold air intake in Red, Blue, Silver or Polished. Lifetime Warranty.
Let your custom ride breathe through a truly custom air intake with the Volant Universal FabShop Full Intake Kit. Designed to let you custom configure your own intake design, this custom intake kit includes ducting, a filter, brackets, hardware and connectors. 1-year warranty.
Top off your DIY CAI with the Airaid U-Build-It Cold Air Dam Performance Airbox. Including an air dam, top panel, mounting hardware, filter adaptor and a high-performance air filter, this custom cold air box is the perfect addition to your custom intake. Limited Lifetime Warranty.
Not sure which 2004 Subaru Impreza Cold Air Intakes are right for you? We have over 18563 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"The installation process can be a little tricky, but the overall performance and sound of the intake is great." —Victor C from Radcliff, KY bought an AEM Short Ram Intake System for a 2004 Subaru Impreza.
"The intake that was on before was horrible, the new Injen intake allows the car to breath so much better and looks amazing, allowing for more power and a smoother ride" —B M from Tampa, FL bought an Injen RD Series Cold Air Intake for a 2004 Subaru Impreza, WRX.