Air Lift 3H Kit: 2004 Subaru Impreza WRX STi (GD)
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Are you looking for a quality suspension to drop your Impreza? Are ride and handling important to you? Do you want to set your car apart from the crowd?
Yes, there are plenty of choices out there for Subarus…but the problem is, you are enamored with a bunch of other incredible cars, and you secretly long for that slammed look on your Subi. Plenty of people out there think it’s wrong to bag a Subaru because they think it will somehow degrade the sports-sedan handling or make it ride like a marshmallow. You’re probably too cautious to compromise your smooth-riding WRX…but still, that low-stance look has you thinking…
With Air Lift Performance suspension, you really can have both. Air Lift Performance has created the perfect suspension kit to tear up a racetrack, shred some country back roads, or stop people dead in their tracks at a show. As the leader in aftermarket high-performance air suspension, we know what it takes to perfectly balance ride, handling, and stunning good looks. The members of the engineering team involved in the design and development of these kits have over 35 years of road racing experience as drivers, engineers and crew. Performance is not only in our name; it’s in our blood.
So what does it take to have such a versatile suspension? It all starts with a strong foundation. In this case, that foundation is the struts: Air Lift uses 30-way adjustable, monotube struts with a serious range of damping adjustment, and specially tuned to match the air springs. Monotube construction is the preferred choice—both in racing and for us—for its sensitivity to small inputs, as well as its great ability to shed heat when pushed to the limit. The 30 clicks of adjustment aren’t just for fun, but allow you, the user, to dial in your preferred handling, feel, or desired ride quality. The range goes from super-stiff to really soft, adjusting rebound and compression simultaneously. The struts weigh considerably less than the coil spring parts you remove, reducing unsprung weight—a benefit to both ride and handling.
Another notable feature is the presence of adjustable camber plates on all four corners. This allows for easy, precise adjustment of camber angle, making quick work of alignments for road or track. These plates are packed with high-quality, Japanese-manufactured pillow block bearings for long life and little noise.
What sets these struts apart from the coil crowd is the addition of our adjustable, progressive-rate air springs. These high-rate springs create a stable platform for aggressive track driving while providing a level of comfort not typically found with lowered suspensions. By using this progressive nature of air springs and maximizing available suspension travel, we are able to ride low without the punishing ride. Since they allow ride height to be adjusted with the push of a button, no longer do you have to suffer through the curses of static suspension lowness! Avoid having any issues with speed bumps or steeply angled drives—raise it up as high as stock to ride off-road without damaging the underbody…and think how easy it will be to load it on the trailer.
Having good components in a kit is important, but making sure they work together effectively to produce the desired result is just as critical. Extensive testing at various racetracks has proven to be important in creating the proper handling balance; hours of driving hard at triple-digit speeds in a 550hp beast certainly ensures the toughness and durability of the parts!
That’s not all! Before a kit makes it to the track, the components are torture-tested on our hydraulic test rig for over one million cycles, simulating a real-world 100,000 miles. As an ISO-9000-certified company, Air Lift is committed to quality disciplines and continuous improvement in all areas.
Worried about installation? Every kit comes with a detailed instruction manual to guide you through all the steps. If you can install suspension or wire a stereo, then you have the skills necessary to complete the installation yourself. If you have questions or a problem during the process, our industry-leading customer service department will take good care of you.
The time has come. No more excuses. Haven’t you waited long enough to have it all?
- 2002-2007 Subaru Impreza (all), WRX (all)
- 2004 Subaru Impreza WRX STi
- Modifications Req. Front: NONE
- Modifications Req. Rear: NONE
- Free mobile app for iOS and Android
- Simple system and firmware updates via mobile app
- Colored LED display on digital 3P/3H controller
- (5) custom user-defined pressure based presets
- Manual mode to individually control each corner
- Easy to navigate and understand user interface
- Horizontal or vertical keypad options
- Fully integrated ECU and manifold
- Built-in Bluetooth module
- Rise on Start functionality
- Show Mode
- Easy install
- Height sensing technology allows for automated leveling
- Anti-Cross Loading + Axle Equalization
- Achieve the correct height without radical differences in pressure
Base 3H Management Includes:
- 3H/3P digital controller
- Integrated ECU + manifold
- Advanced electrical wiring harness
- 4 height sensors with wiring and mounting hardware
- 60 ft. of 1/4″ or 3/8" air line
- Auto-draining inline water filter
- All wiring, fuses, hardware, etc. required for installation