fits model: Wrx, Sti. make: Subaru. year: 2015–2021.

( Brand: Function And Form ), ( Manufacturer Part Number: GSM648USS2 ), ( Type: Coilover ), ( Features: Sealed ), ( Placement On Vehicle: Front, Rear ), ( Performance Part: Yes )
The Function GSM648USS2 Coilovers are a high-performance upgrade for the 2015-2021 Subaru WRX STI. These coilover suspension systems are designed to provide superior handling, reduced body roll, and improved overall performance on the track or the street.
The GSM648USS2 Coilovers are adjustable, allowing you to fine-tune the ride height and damping settings to suit your driving style and preferences. The front coilovers feature 30-way adjustable damping, while the rear coilovers offer 22-way adjustability. This level of adjustability allows for a wide range of performance options, from a comfortable daily driver to a hardcore track car.
The coilovers are made from high-quality materials, including 6061-T6 aluminum alloy and CNC-machined components. The monotube design provides consistent and stable damping performance, while the high-quality piston and damper rod ensure long-lasting reliability. The coilovers also feature adjustable lower mounts, allowing for camber adjustments for improved tire grip and cornering ability.
The GSM648USS2 Coilovers also feature adjustable spring rates, allowing you to customize the suspension's stiffness to suit your specific vehicle and driving style. The front coilovers come with 8.5kg/mm (186 lbs/in) spring rates, while the rear coilovers have 6kg/mm (129 lbs/in) spring rates. These spring rates provide a balance of comfort and performance, providing a smooth ride while still providing sufficient support for high-speed cornering and aggressive driving.
The GSM648USS2 Coilovers are easy to install, requiring only basic hand tools and some basic mechanical knowledge. The coilovers come with detailed installation instructions, as well as all necessary hardware and mounting brackets. The coilovers also feature a dust boot to protect the damper rod from debris and moisture, ensuring long-term reliability and performance.
In summary, the Function GSM648USS2 Coilovers are a high-quality, adjustable suspension system for the 2015-2021 Subaru WRX STI. With their monotube design, adjustable damping and spring rates, and easy installation, these coilovers provide a balance of comfort and performance for daily driving and track use. Whether you're looking to improve your car's handling, reduce body roll, or simply want to upgrade your suspension system, the GSM648USS2 Coilovers are a great choice.
Pros of Buying GSM648USS2 Coilovers for 2015-2021 Subaru WRX STI:1. Adjustability: These coilovers allow for height adjustment, which can help improve handling and aesthetics.
2. Performance: The upgraded springs and dampers can provide better control and response, improving the overall driving experience.
3. Quality: GSM is a reputable brand known for their high-quality parts.
4. Improved Handling: Lowering the car can help improve handling by reducing body roll and improving weight distribution.
Cons of Buying GSM648USS2 Coilovers for 2015-2021 Subaru WRX STI:1. Cost: Coilovers can be expensive, and these are no exception.
2. Installation: Installation can be complex and may require professional help.
3. Ride Comfort: Lowering the car can result in a stiffer ride, which may not be suitable for everyday driving.
4. Warranty: Some aftermarket parts may not have the same warranty coverage as OEM parts.
Conclusion:Buying GSM648USS2 coilovers for your 2015-2021 Subaru WRX STI can provide significant performance improvements, but it's important to consider the potential drawbacks. If you're willing to invest in the cost and are prepared for a stiffer ride, these coilovers could be a great addition to your car. However, if you prioritize comfort or are unsure about installation, you may want to consider other options.
Recommendation:If you decide to go ahead with the purchase, it's recommended to have the installation done by a professional to ensure it's done correctly. Also, consider purchasing a warranty to cover any potential issues. And lastly, remember to adjust your ride height to a comfortable level for daily driving, while also considering the performance benefits you want to achieve.
Function And Form coilovers for 2015 Wrx Sti these are Still in good mechanical condition the rear coilover boots torn can easily be replaced.