Best Lowering Springs for the S550 Ford Mustang
The S550 chassis is arguably the most capable Mustang platform Ford has ever produced, but from the factory, many owners find the ride height a bit conservative. Lowering springs are the most cost-effective way to eliminate that unsightly wheel-well gap and lower the center of gravity. This modification doesn't just improve the aesthetics; it actively reduces body roll during hard cornering and minimizes nose-dive under heavy braking. Choosing the right set of springs involves more than just picking a drop height. You need to consider whether your car is equipped with the MagneRide adaptive suspension system, as well as your intended use—be it daily driving, occasional track days, or achieving a slammed show stance. This guide breaks down the top options for the 2015-2023 Mustang to help you find the perfect balance of performance and street manners.
In a hurry? Our top picks
- Best for predictable handling: BMR Suspension
- Best aggressive stance: Eibach Sportline Kit Lowering Springs
- Best OEM track upgrade: Ford Racing
- Best low-profile look: H&R
- Best balanced daily setup: aFe
- Best for GT500 owners: Eibach Special Edition Pro
How to choose
When shopping for S550 springs, the first decision is between linear and progressive rates. Linear springs, like those from BMR, offer a consistent rate throughout the suspension travel, making handling more predictable and making them a favorite for track-focused builds. Progressive springs start softer for initial comfort and stiffen up as they compress, which is generally preferred for daily drivers that encounter varying road surfaces. Next, pay close attention to your specific sub-model's requirements. Performance Pack cars and higher-tier Shelbys often utilize MagneRide dampers that require specifically tuned springs to maintain the functionality of the electronic ride control. Furthermore, consider the 'rake' of the car. Many S550 kits provide a slightly larger drop in the front than the rear to level out the Mustang's factory nose-up attitude. If you're running aftermarket wheels with aggressive offsets, a more modest 1.0-inch drop might be safer than a deep 1.5-inch or greater drop to avoid tire-to-fender contact.
At a glance
| Product | Price | Fits | Approx. Drop (Front/Rear) | Spring Rate Type | MagneRide Compatible | Construction Material |
|---|---|---|---|---|---|---|
| BMR Lowering Spring Kit for 2015-2024 Ford Mustang GT/Shelby (SPH765R) - RedBMR Suspension | $299.95 | 2024 Ford Mustang GT +4 | 1.1" / 0.5" | Linear | Yes | Chrome silicon-vanadium |
| Eibach Sportline Kit Lowering Springs for 2015-2023 Ford Mustang GT (5.0L) - 4.14535Eibach | $395.00 | 2015-2023 Ford Mustang GT +1 | 1.5" / 1.3" | Progressive | No | High-tensile steel |
| Ford Racing M-5300-YA Track Lowering Spring Kit for 2015-2023 Ford Mustang Fastback (2.3L)Ford Racing | $350.00 | 2015-2020 Ford Mustang Shelby GT350 +10 | 1.0" / 1.0" | Progressive | No | High-tensile spring steel |
| H&R Super Sport Lowering Springs for 2015-2020 Ford Mustang (EcoBoost / GT / V6 / Shelby GT350) - 51693-77H&R | $424.15 | 2015-2017 Ford Mustang V6 +7 | 1.75" / 1.75" | Progressive | Yes | 54SiCr6 spring steel |
| aFe Control Lowering Springs for Select 2015-2026 Ford Mustang (410-301001-N) - 1.5in Front / 1.25in Rear DropaFe | $376.00 | 2019-2020 Ford Mustang Bullitt +7 | 1.5" / 1.25" | Linear Front / Progressive Rear | No | High-grade steel |
| Eibach Special Edition Pro-Kit Lowering Springs for 2020-2022 Ford Mustang Shelby GT500 (5.2L) - Set of 4Eibach | $499.00 | 2020-2022 Ford Mustang Shelby GT500 | 1.0" / 0.5" | Progressive | Yes | High-tensile steel alloy |
Feature details compiled from the sources listed below; power figures are manufacturer-claimed and vary by engine.
Best for predictable handling
BMR Lowering Spring Kit for 2015-2024 Ford Mustang GT/Shelby (SPH765R) - Red
BMR focuses on performance-minded enthusiasts by utilizing a linear rate design, which provides much more consistent feedback through the steering wheel than progressive alternatives. These springs are specifically engineered using chrome silicon-vanadium wire to prevent sagging over time, making them a durable choice for both street and track. While the rear drop is relatively conservative at roughly 0.5 inches, this helps maintain suspension geometry for better traction during hard acceleration, a key benefit for high-horsepower GT and Shelby models.
Best aggressive stance
Eibach Sportline Kit Lowering Springs for 2015-2023 Ford Mustang GT (5.0L) - 4.14535
The Eibach Sportline kit is the go-to for S550 GT owners who want a significant visual transformation without stepping up to expensive coilovers. With an aggressive drop of roughly 1.5 inches in the front, it completely closes the fender gap and creates a menacing profile. Unlike some budget kits, Eibach includes custom bump stops and dust boots to ensure the factory dampers aren't damaged by the increased travel, though the firmer progressive rate will result in a noticeably stiffer ride than stock.
Best OEM track upgrade
Ford Racing M-5300-YA Track Lowering Spring Kit for 2015-2023 Ford Mustang Fastback (2.3L)
For the driver who wants a factory-engineered solution, the Ford Racing Track kit offers a refined 1.0-inch drop that stays within the ideal operating range of the stock dampers. These springs are designed by the same teams that built the car, ensuring the blue powder-coated finish and material quality meet OEM standards for longevity. They provide a firmer, more communicative feel that is perfect for the EcoBoost or GT owner who enjoys weekend autocross but doesn't want the harshness associated with more extreme lowering kits.
Best low-profile look
H&R Super Sport Lowering Springs for 2015-2020 Ford Mustang (EcoBoost / GT / V6 / Shelby GT350) - 51693-77
H&R's Super Sport springs offer the most dramatic drop in this lineup, pushing the S550 down by approximately 1.75 inches at both ends. This is a specialized choice for those prioritizing a slammed aesthetic and maximum center-of-gravity reduction. Manufactured in Germany from high-strength 54SiCr6 steel, they are shot-peened to ensure they won't settle or sag even with the aggressive height reduction, though owners should be mindful of ground clearance on steep driveways.
Best balanced daily setup
aFe Control Lowering Springs for Select 2015-2026 Ford Mustang (410-301001-N) - 1.5in Front / 1.25in Rear Drop
The aFe Control springs offer a unique hybrid approach, utilizing a linear rate in the front for precise turn-in and a progressive rate in the rear to maintain street comfort and load-carrying ability. This American-made kit targets the 1.5-inch front drop that Mustang owners love but tunes the spring rates to work specifically within the damping curves of the factory GT and GT350 non-MagneRide shocks. It's a high-quality alternative that includes a striking tangerine orange finish for a bit of extra under-car style.
Best for GT500 owners
Eibach Special Edition Pro-Kit Lowering Springs for 2020-2022 Ford Mustang Shelby GT500 (5.2L) - Set of 4
Designed specifically for the flagship Shelby GT500, this Special Edition Pro-Kit is engineered to integrate perfectly with the factory-tuned MagneRide system. It provides a subtle but effective 1.0-inch front drop to sharpen steering response without ruining the sophisticated electronics of the 5.2L Supercharged V8's suspension. The matte black powder coating gives it a stealthy, high-end look that complements the GT500’s premium performance parts, and the progressive rate ensures it remains a viable long-distance cruiser.
Installation & what to expect
Installation requires a high-quality spring compressor and a basic set of hand tools. Expect the process to take roughly 3-4 hours, and it is critical to perform a professional four-wheel alignment immediately after the car has had a few days to let the springs settle to their final height.
Watch these in action
Real reviews & installs for these picks — tap any clip to watch it right here.
2015-2024 Mustang BMR Front and Rear Lowering Springs ... — via AmericanMuscle Mustang on YouTube
How to install Eibach lowering springs on a (2015-2022 ... — via Locos.Garage on YouTube
How to Install Lowering Springs on a 2015-2023 Mustang — via Mustang Geek on YouTube
2019-2023 S550 Eibach Sportline Spring Install — via Morris Martin Racing on YouTube
S550 Mustang Suspension Upgrades! Lowering Springs ... — via Graveyard Performance on YouTube
2015-2021 Ford Mustang Spring Install! Easiest Way Possible! — via Drake Built on YouTube
INSTALLING BMR DRAG SPRINGS ON MY MUSTANG ... — via GrabberFox Off-Road on YouTube
Frequently asked questions
Do I need an alignment after installing lowering springs?
Yes. Anytime you change the ride height, you alter the camber and toe settings. Failing to get an alignment will lead to rapid tire wear and unpredictable handling.
Can I use lowering springs with my factory shocks?
Most of these springs are designed to work with factory dampers, but extreme drops (over 1.5 inches) will wear out factory shocks faster. Upgrading to performance-valved shocks is recommended for the best ride quality.
How do I know if I have MagneRide?
You can check for electrical connectors at the top of your strut towers under the hood. Most Shelby GT350/GT500 models and GTs with the Performance Pack 2 (PP2) or Mach 1 trims come equipped with MagneRide.
Lowering your S550 Mustang is one of the most rewarding modifications you can make, offering a double-win of sharper handling and a much more aggressive profile. Whether you choose the track-tested precision of BMR or the aggressive stance of Eibach, you'll feel the difference in every corner.