Suspension Upgrades 101: How to Choose Between Coilovers, Lowering Springs, and Air Suspension

Suspension Upgrades 101: How to Choose Between Coilovers, Lowering Springs, and Air Suspension

Blog Post: Suspension Upgrades 101 — How to Choose Between Coilovers, Lowering Springs, and Air Suspension

Title: Suspension Upgrades 101: How to Choose Between Coilovers, Lowering Springs, and Air Suspension

Subtitle (optional): Find the right suspension setup for your ride — performance, comfort, and flexibility explained


Introduction

Upgrading your suspension is one of the smartest moves you can make to improve your vehicle’s handling, aesthetics, and ride quality. But with so many options—coilovers, lowering springs, air suspension—it can be overwhelming to decide what fits your goals. In this guide, we’ll break down the pros and cons of each suspension type, what to consider before choosing, and recommendations for different use cases (street, track, show, daily driving). By the end, you’ll know which upgrade path is right for your car or truck.


1. Why upgrade your suspension?

  • Better handling — reduces body roll, improves cornering, and gives more responsive steering

  • Improved aesthetics — allows you to lower stance, reduce wheel gap, and get that aggressive look

  • Adjustability — more control over ride height, damping, and ride feel

  • Safety & comfort — quality components can maintain ride comfort while improving control, especially on harsh roads

But you’ll want to pick the setup that aligns with your goals and budget.


2. Lowering Springs

What they are

Lowering springs replace your factory springs with stiffer, shorter springs to lower your vehicle by a set amount (e.g. 1–2 inches). Shocks/struts are usually reused, or you may upgrade them in tandem.

Pros

  • Lower cost than coilovers or air suspension

  • Simple install (spring swap)

  • Aesthetic improvement (lower ride height)

  • Some improvement in handling due to reduced center of gravity

Cons

  • No ride-height adjustability

  • Stiffer ride can get harsh if springs are aggressive

  • You may still need upgraded shocks/struts to handle added spring rates

  • Fixed drop—less flexibility for mixed use

Best for

  • Someone wanting a moderate drop with minimal complexity

  • Street drivers who want improved looks and mild performance gains

  • Budget-conscious builders


3. Coilovers

What they are

Coilovers combine springs and shock/strut into a single adjustable unit. Most come with threaded bodies to adjust ride height and often include damping (compression/rebound) adjusters.

Pros

  • Full ride-height adjustability

  • Adjustable damping (on many models)

  • Better handling potential

  • Good for mixed use (daily + occasional spirited driving)

  • Wide aftermarket variety (track, street, comfort-biased)

Cons

  • Higher cost than springs

  • More complex installation & setup

  • Poorly tuned coilovers can lead to harsh ride

  • Need to properly tune and corner-balance for best results

Best for

  • Enthusiasts who want flexibility and performance

  • Those who track occasionally

  • Cars that will see both daily and spirited use


4. Air Suspension (Air Ride)

What it is

Air suspension uses air bags or air springs instead of metal springs, allowing you to inflate or deflate to change ride height on the fly. Some setups include electronic control, presets, ride-height memory, etc.

Pros

  • Maximum adjustability (raise for speed bumps, lower for show)

  • Comfortable ride when set up properly

  • Dramatic stance capabilities (low “show mode,” high drive mode)

  • Appeal for show/stance/stance-style builds

Cons

  • High cost (components, controllers, air lines, tank, compressor)

  • More complexity and maintenance

  • Potential for air leaks or reliability issues

  • Requires space and plumbing

Best for

  • Show cars and stance builds

  • Those willing to invest in quality components

  • Builders who want dramatic adjustability without dismantling suspension


5. How to Choose Based on Use Case

Use Case Recommended Suspension Type(s) Notes & Tips
Daily driver with occasional spirited driving Mild coilovers or moderate-lift lowering springs Look for adjustable damping and comfort-biased coilovers
Track / performance-oriented Performance coilovers Prioritize damping adjustability, corner balancing, high-quality hardware
Show / stance builds Air suspension Use a reliable setup, ensure you have a good compressor, tank, and control system
Mixed use (street + occasional track) Height-adjustable coilovers Flexibility is key: you can dial in setup for both modes

 

6. Things to Consider Before Buying

  1. Budget — don’t skimp too much; cheap hardware often leads to disappointment.

  2. Quality & brand — go for reputable brands with good support.

  3. Adjustability — height, damping, camber plates (if front), preload, etc.

  4. Installation & alignment — after install, always get alignment / corner balancing.

  5. Ride height range & travel — make sure you don’t bottom out or overextend.

  6. Reliability & warranty — especially for air setups, check component warranties.


7. Example Build Comparisons

Let’s say you’re building a 2015 Subaru WRX:

  • Lowering springs + upgraded dampers: you might get 1.5" drop with better mid-corner performance, with reasonable comfort.

  • Coilovers: you set ride height to something aggressive for weekend drives, dial in damping for tighter handling, then soften for daily driving.

  • Air suspension: you go super low for shows, then raise for daily driving or speed-bumps.

Each path has trade-offs.


8. Tips for Setup & Maintenance

  • After installing, get a full alignment (camber, toe, caster).

  • For coilovers: start at middle damping settings, then tweak based on driving feel.

  • Watch for bottoming or top-out — if ride is too harsh, adjust preload/damping.

  • For air setups: periodically check for air leaks, maintain compressor/filter.

  • Inspect components regularly (bushings, mounts, seals).


9. Final Recommendations & Call to Action

If you’re unsure where to start, coilovers often hit the sweet spot in terms of flexibility, performance, and usability. Lowering springs are dependable for simpler builds, and air suspension is perfect when you want dramatic adjustability and show flair.

At Speedzone Performance, we carry a full lineup of high-quality suspension solutions — from coilovers to air systems — to help you get exactly what your project needs. If you'd like help picking the right setup for your vehicle, contact us or use our suspension request form. Happy building — and keep that ride handling as good as it looks.

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