2004 Subaru WRX Air Intakes
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Injen®IS Series Short Ram Air Intake System with Blue FilterSubaru WRX 2004, IS Series Short Ram Air Intake System by Injen®. The IS Series is a traditional, underhood air intake system that takes the place of your factory airbox and air filter, and the factory air intake tube. The EA Nanofiber...$244.95 - AEM Intakes®Aluminum Cold Air Intake System with Red FilterSubaru WRX 2004, Aluminum Cold Air Intake System by AEM Intakes®. To deliver cooler air to the engine, this air intake system places the air filter outside the engine compartment. Cooler air is denser than warm air and so contains more...Delivers more oxygen to the combustion chamber by drawing in cooler airCustom designed and engineered to deliver maximum power for each specific vehicle$349.99 - $399.99
- Takeda®Retain Stage 2 Aluminum Polished Short Ram Air Intake System with Pro Dry S Gray FilterSubaru WRX 2004, Retain Stage 2 Aluminum Polished Short Ram Air Intake System with Pro Dry S Filter by Takeda®. Improve your car's performance and enhance the appearance of your engine bay with the Takeda Retain Short Ram Air Intake...$346.00
- K&N®69 Series Typhoon® Aluminum Cold Air Intake System with Red FilterSubaru WRX / WRX STI Base 2004, 69 Series Typhoon® Aluminum Cold Air Intake System by K&N®. Dominate the street or the track with this superior high-performance air filter designed to bump up horsepower, performance and acceleration to...Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application$399.99
- AEM Intakes®Aluminum Short Ram Air Intake System with Red FilterSubaru WRX / WRX STI Base 2004, Aluminum Short Ram Air Intake System by AEM Intakes®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by...Delivers increased performance for less costEasily installs under the hood$299.99 - $349.99
- Injen®RD Series Cold Air Intake System with Blue FilterSubaru WRX 2004, RD Series Cold Air Intake System by Injen®. The RD Series is made for the enthusiast who wants improved mid-range power. This cold air system positions a high-flow air filter behind the bumper, where it can take in...$374.95
- PERRIN Performance®Cold Air Intake System with Black FilterSubaru WRX 2004, Cold Air Intake System by PERRIN Performance®. Add horsepower and style under your hood with the PERRIN cold air intake. The PERRIN intake has been designed with precise MAF alignment and tubing size to maintain proper...Perfect cold air bathAdd 5 wheel HP to your car$389.30
- PERRIN Performance®Short Ram Air Intake System with Black FilterSubaru WRX 2004, Short Ram Air Intake System by PERRIN Performance®. Increase horsepower and style under your hood. The PERRIN Performance intake system uses proper MAF alignment and plumbing size, which are crucial to maintain proper...Precision CNC construction for perfect fitThroaty deep tone sound$252.45
- TurboXS®Short Ram Air Intake SystemSubaru WRX / WRX STI Base 2004, Short Ram Air Intake System by TurboXS®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...The finest quality at a great priceWe carry everything needed to complete the job$161.10
- Mishimoto®Silicone Induction Hose (2"; 2.6" ID x 2.4"; 3.1" OD)Subaru WRX 2004, Silicone Induction Hose by Mishimoto®. The Mishimoto Silicone Intake Boot is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber...Fits with the stock air intake systemInnovative design$234.95
- Mishimoto®Silicone Intake Airbox HoseSubaru WRX 2004, Silicone Intake Airbox Hose by Mishimoto®. The Mishimoto Silicone Intake Boot is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber...Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers$74.95 - $79.95
- PERRIN Performance®Afta-MAF Intake TubeSubaru WRX 2004, Afta-MAF Intake Tube by PERRIN Performance®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs...High quality at an affordable priceExpertly made from premium materials$86.70
- PERRIN Performance®Turbo Air Inlet HoseSubaru WRX 2004, Turbo Air Inlet Hose by PERRIN Performance®. Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN...Designed to provide increased air flowSS internal support wire for added rigidity and collapse prevention$283.05
- Takeda®Magnum FORCE Replacement Coupling KitMagnum FORCE Replacement Coupling Kit by Takeda®. This system is for the enthusiast who wants maximum performance from their sport compact. It positions a high flow performance air filter behind the bumper, where it can take in cooler,...Custom designed for each applicationDelivers more oxygen to the combustion chamber by drawing in cooler, denser air$9.00
- aFe®Momentum GT Refresh KitMomentum GT Refresh Kit by aFe®. This kit is designed to refresh cold air intakes systems 50-70091D or 50-70091R. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology...Expertly crafted from premium materialsDesigned to match rigorous quality standards$79.00
- AEM Intakes®Plastic Air Straightener (2.59" OD)Plastic Air Straightener by AEM Intakes®. MAF Insert. This versatile tool allows you to monitor and control AFR and EGT (EGT sensors sold separately) and access the data on your iPhone or iPod Touch via wireless WiFi connection, or...Allows you to use your smart phone as an ancillary AFR and EGT gaugeAccurately monitors AFR (one bank) and EGTs (up to 2 banks)$9.43
2004 Subaru WRX Models