Helper Springs — Ride taller, drive safer.
MAD helper springs keep your vehicle level and controlled with passengers, luggage, or hitch loads — comfort stays close to stock when unladen.
TÜV approved
Bolt-on install
No maintenance
How it works
Auxiliary coils add support when you load the car; stance and stability improve without air lines or compressors.
- Coils tuned to support OE springs
- Support ramps with payload
- Simple bolt-on hardware
What you’ll feel
- Reduced sag with luggage
- More stability in turns & crosswinds
- Comfort close to stock when empty
Why MAD vs. air
- Predictable spring rate, no leaks
- TÜV part approval & fitting manual
- Low upkeep — no compressors/lines
Available kits
Fitment
Install overview
- Coil springs: ≈ 60–90 min · Strut work; spring compressors required; alignment recommended afterwards.
- Upgrades improve support & stability but do not change GVWR or tow ratings.
Upgrade the Load Capacity of Your Toyota Corolla Hatchbacks
MAD HV-360425 – Boost Load Support Without Sacrificing Comfort
If you drive a Toyota Corolla Hatchback (model years 2019 and up in the US), you know it offers great balance and efficiency — but its rear suspension can struggle under heavy loads. Whether you carry tools, gear, passengers, or a rooftop tent, the MAD HV-360425 helper spring kit is the perfect upgrade.
🔧 Designed for:
- Toyota Corolla Hatchback (E210 platform)
- Model years: 2019–present
- Rear axle type: Multilink suspension
The HV-360425 kit is engineered specifically for this chassis, maintaining your factory ride height while significantly improving stability under load.
Improved Ride Height and Stability
Enhanced Driving Safety
Better Comfort and Control
Less Wear and Maintenance
✅ Key Benefits of HV-360425:
- Keeps the rear level under load
- Prevents sagging and bottoming out
- Improves driving stability, especially when cornering or braking
- Fully compatible with hybrid and non-hybrid models
- No welding or drilling – bolt-on installation
- Does not affect unloaded comfort or suspension geometry
📦 What’s in the kit:
- Pair of progressive-rate helper springs
- All required mounting hardware
- Step-by-step installation guide
- Fitment for multilink suspension only (not torsion beam)
🔧 4 Key Reasons Why Rear Helper Springs Are a Valuable Upgrade for Your Toyota Corolla Hatchback
Prevent Sagging Under Load
Rear helper springs keep your Corolla level when carrying heavy cargo, passengers, or gear — no more squatting or uneven ride height.
Maintain Comfort and Ride Quality
With progressive-rate support, the helper springs engage only when needed, so you keep the factory-soft ride when unloaded and gain firmness only under pressure.
Increase Safety and Stability
Better load support improves rear-end control during braking, cornering, and acceleration — reducing sway and helping tires maintain proper contact with the road.
Protect Your Suspension and Tires
By sharing the weight, helper springs reduce wear and tear on your shocks, bushings, and tires — extending their life and saving money over time.
📦 Recommended for:
Rooftop tents • Tool loads • Weekend gear • Passengers • Hitch carriers
