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.
Heavy-Duty Helper Springs for Kia Niro Hybrid and EV
Looking to improve the rear suspension support of your Kia Niro? Whether you drive a
Hybrid,
Plug-In Hybrid, or
Niro EV, our helper spring kits offer a simple solution to reduce rear sag and improve handling when the vehicle is fully loaded.
Improved Ride Height and Stability
Enhanced Driving Safety
Better Comfort and Control
Less Wear and Maintenance
Give your Kia Niro the rear support it needs when you load up with passengers, groceries, bikes, or a hitch rack. Our MAD helper springs and reinforced coil springs help keep the car level, improve stability and braking, and preserve everyday comfort — backed by TÜV / RDW approvals.
- Reduce rear squat under payloads for safer, more composed handling.
- Better stability in crosswinds and over undulating roads.
- No compressors or airlines; low-maintenance, set-and-forget.
- Most installs take about an hour.
Note: Suspension upgrades do not increase GVWR. Always stay within the manufacturer’s limits.
Quick links by generation
Niro I (DE) — Eco-Car / Ioniq AE platform (2016–2022)
- HV-493158 — Reinforced coil springs · TÜV · DE/Eco-Car · HEV only · ~60 min
- HV-373278 — Reinforced coil springs · TÜV · DE/Eco-Car · EV (e-Niro) only · ~60 min
Niro II (SG2) — K3 platform (2022–present)
- HV-491115 — Auxiliary coil springs · TÜV · SG2/K3 · Only Multilink rear axle · ~60 min
Kia Niro helper springs — quick answers
Will these make my Niro ride harsh?
No. Auxiliary and reinforced coils are tuned to engage progressively under load, preserving OE-like comfort when unladen.
Do these increase payload capacity?
No. They improve support and stability under load but do not change the vehicle’s GVWR. Always follow the OEM limits.
Which kit fits my powertrain?
For DE (2016–2022): use HV-493158 for HEV and HV-373278 for the EV (e-Niro). For SG2 (2022–present): HV-491115 fits cars with a multilink rear axle. If you’re unsure, contact us.
Will this affect my EV range?
The springs add minimal weight. Most owners choose them to keep the vehicle level and stable when carrying cargo, which can improve confidence and consistency more than they affect range.
🔧 Why Install Helper Springs on a Niro?
While the Kia Niro is not a cargo van or SUV, it’s often used for daily commuting, long trips, and light utility work — and that’s exactly where helper springs make a difference:
- Maintain proper ride height with passengers or luggage
- Reduce bounce and sway on uneven roads
- Protect factory suspension components from premature wear
- Improve safety and comfort under moderate load
✅ Compatible with U.S. Niro Models:
- Kia Niro Hybrid (since 2017)
- Kia Niro Plug-In Hybrid
- Kia Niro EV
Installation is bolt-on, requires no welding or cutting, and includes all mounting hardware and instructions. Most kits can be installed in under 90 minutes.
✅ 4 Reasons to Add Helper Springs to Your Kia Niro
1.
Keep Your Niro Level When Loaded
Carrying passengers, tools, groceries, or road trip gear? Helper springs prevent rear sag and keep your ride height stable.
2.
Improve Driving Comfort and Control
Less bouncing, less sway — even when the rear is fully loaded. Perfect for uneven roads, long drives, or mild towing setups (bike racks, hitch cargo).
3.
Extend the Life of Your Suspension
Helper springs reduce stress on factory shocks and springs, protecting your Niro’s suspension system from premature wear.
4.
Easy Bolt-On Installation
No special tools, no cutting or welding. Our kits come with all hardware and clear instructions for a quick, clean install.
