Subaru vehicles are widely respected for their all-wheel-drive capabilities and rugged reliability. However, many owners notice that the factory steering can feel somewhat vague or soft, particularly as the vehicle ages. This “numb” sensation often comes from the rubber components used in the factory assembly, which are designed more for comfort than for precision.
Upgrading your steering system is one of the most effective ways to make your Subaru feel more connected to the road. Whether you drive an Impreza, Forester, or Outback, improving the steering response can enhance both safety and driving enjoyment. This article covers the most practical upgrades available for Subaru owners of all experience levels.
Why Consider a Steering Upgrade?
The primary reason for a steering upgrade is to eliminate “slop” or play in the steering wheel. Over time, factory rubber bushings compress and degrade, leading to a delay between when you turn the wheel and when the tires actually respond. This can make the car feel less stable at high speeds or during cornering.
By replacing flexible factory parts with more rigid alternatives, you can achieve a more direct connection to the front wheels. This results in sharper turn-in and better feedback through the steering wheel. You will be able to feel the road conditions more clearly, which helps in making precise driving adjustments.
The Most Common Subaru Steering Upgrades
Steering upgrades range from inexpensive DIY projects to complex mechanical overhauls. Most owners start with small changes that offer the highest return on investment in terms of feel.
1. Steering Rack Bushings
The most popular and cost-effective upgrade for any Subaru is replacing the steering rack bushings. The factory uses soft rubber bushings to mount the steering rack to the subframe, which allows the entire rack to move slightly during turns.
Replacing these with aftermarket polyurethane bushings is a common solution. Polyurethane is much stiffer than rubber and does not compress as easily. This simple change keeps the steering rack firmly in place, providing a much more immediate response when you move the steering wheel.
2. Steering Rack Brace or Lockdown Kit
On many older Subaru models, the steering rack is supported by a thin metal bracket that can flex under load. A steering rack brace, often called a “lockdown kit,” provides additional structural support to the rack.
These kits usually consist of heavy-duty metal plates and bolts that reinforce the mounting points. By preventing the rack from shifting, these braces ensure that every bit of steering input goes directly to the wheels rather than being lost to component flex.
3. High-Performance Tie Rod Ends
Tie rods are the physical links between your steering rack and your wheel hubs. Factory tie rod ends use ball joints that can wear out over time, leading to a loose feeling in the steering.
Upgrading to heavy-duty tie rod ends can improve the durability of your steering system. For owners who have lowered their Subaru, “bump steer” kits are available. These specialized tie rod ends correct the steering geometry, preventing the car from darting unexpectedly when hitting bumps in the road.
Advanced Steering Modifications
If you are looking for a more dramatic change in how your Subaru handles, you may want to consider more advanced mechanical upgrades. These typically require more technical knowledge or professional installation.
The STI Steering Rack Swap
One of the most sought-after upgrades for WRX and Forester owners is swapping in a steering rack from a Subaru WRX STI. The STI rack features a “quicker” steering ratio, meaning you don’t have to turn the steering wheel as far to get the wheels to move.
A standard Subaru might have a 15:1 ratio, while a newer STI rack might have a 13:1 ratio. This makes the car feel much more agile and sporty. However, this swap can be complex, as it may require different mounting brackets or modifications to the steering column.
Upgraded Power Steering Pumps and Coolers
If you use your Subaru for spirited driving or towing, the power steering fluid can get very hot. Excessive heat can cause the fluid to break down, leading to a heavy steering feel or even pump failure.
Installing a power steering fluid cooler can help maintain consistent steering feel during demanding conditions. Additionally, replacing an aging pump with a high-flow unit can ensure that the system remains responsive even under heavy load.
Tools and Preparation for DIY Upgrades
If you plan to perform these upgrades yourself, preparation is key. Most steering work is done from underneath the vehicle, so safety should be your first priority.
- Quality Jack and Jack Stands: Never work under a car supported only by a hydraulic jack. Always use sturdy jack stands on a level surface.
- Socket Set and Wrenches: Most Subaru steering components use standard metric sizes (12mm, 14mm, 17mm, and 19mm).
- Torque Wrench: Steering components are critical for safety; ensuring every bolt is tightened to the manufacturer’s specification is essential.
- Penetrating Oil: Since steering parts are exposed to the elements, bolts can often be rusted. Applying oil a day in advance can save hours of frustration.
The Importance of a Professional Alignment
Any time you touch the steering or suspension components of your Subaru, you must get a professional wheel alignment immediately afterward. Even a tiny change in the position of the steering rack or tie rods can significantly alter your wheel alignment.
Driving with poor alignment can lead to several problems, including:
- Rapid and uneven tire wear.
- The vehicle pulling to one side.
- A crooked steering wheel while driving straight.
- Reduced fuel efficiency due to increased rolling resistance.
A professional technician will use specialized lasers and sensors to ensure your wheels are perfectly parallel and flat against the road. This final step ensures that your new upgrades perform exactly as intended.
Summary of Benefits
Upgrading your Subaru’s steering system provides several tangible benefits that you will notice every time you get behind the wheel. By focusing on the components that connect you to the road, you can achieve a more refined and predictable driving experience.
- Increased Precision: Less movement in the rack means more accurate cornering.
- Better Feedback: You will feel more of what the tires are doing on the pavement.
- Improved Safety: A more responsive car is easier to control in emergency maneuvers.
- Longevity: Modern polyurethane components often last longer than factory rubber.
Whether you are starting with a simple set of bushings or performing a full rack swap, these upgrades are a great way to personalize your vehicle. Taking the time to improve your steering will make your Subaru feel like a brand-new machine, ready for any adventure you have planned.
For more guides on maintaining and improving your vehicle, explore our other articles on automotive care and DIY repairs at SearchAndHelp.com.