The Rise of EV Mods: What You Can Upgrade as Drivers Shift from Fuel to Electric
Rising geopolitical tensions between the US and Iran are disrupting oil production and shipping routes in the Middle East, exposing how fragile global fuel supply chains really are. These disruptions to production and shipping routes are hitting every consumer through higher living costs, oil price hikes, and inflation, and experts even say there’s a chance of fuel rationing in Australia if the war continues to trim global oil supplies.
As a result, more drivers are accelerating their shift toward electric vehicles, not just as an alternative, but as a long-term solution, as the Australian Capital Territory (ACT) government has taken a leaf out of Europe’s book and is planning to stop registering new internal combustion engine (ICE) vehicles by 2035 as part of its updated zero-emission vehicle (ZEV) strategy.
It's no surprise that people are already converting to electric vehicles as it is known as offering a cleaner, more sustainable alternative to traditional gas-powered cars. In parallel, we know that interest in EV mods is growing too, as owners look for smarter ways to customise performance, efficiency, and the overall driving experience in a rapidly evolving automotive landscape.
Why EV Modding Is Fundamentally Different from ICE Vehicles
Internal combustion engine (ICE) vehicles run on fuel, petrol or diesel and it generates power through combustion. In technical terms, fuel mixes with air inside the engine, and a spark ignites the mixture. This controlled explosion pushes pistons, and that mechanical movement powers the car.
ICE vehicles have dominated the automotive industry for over 150 years. They are what most people drive today, and many car enthusiasts actively search for performance car parts in Australia to upgrade their vehicles while complying with Australia’s car modification laws.
In contrast, electric vehicles (EVs) run on electricity rather than petrol or diesel. EVs operate on a software-first architecture, where vehicle control units (VCUs) and battery management systems (BMS) regulate power output, torque delivery, and battery usage. Because EVs rely on battery systems, they are also known as battery electric vehicles (BEVs).
EVs run on high-voltage electrical systems, typically around 400V-800V. As a result, the battery becomes the most critical component of the vehicle, and also the least accessible and most protected.
This setup also differentiates EVs from hybrid vehicles. Unlike ICE cars, EVs do not require a clutch, gearbox, or exhaust system, which makes them quieter, smoother, and more efficient to drive. As EVs become a mainstream choice, they offer impressive performance alongside more environmentally conscious driving.
However, for car enthusiasts, one key question remains: can you modify an electric car?
The answer is more complex than it seems. While EV mods are growing in popularity, most modifications remain cosmetic or efficiency-focused. Due to EVs’ unique design and software-driven systems, there are significantly fewer options for traditional performance upgrades.
Why Modify an EV?
You might be wondering: why modify something that’s already cutting-edge? The answer is simple—no car is perfect. For many car enthusiasts, modification is about personalisation: creating a more distinctive look, improving functionality, and refining performance to suit individual preferences.
Stock EVs already deliver impressive performance, but the right EV mods can push them further. Upgrades can improve acceleration, extend driving range, enhance handling, and elevate overall driving comfort. At the same time, some modifications focus on efficiency and sustainability, helping drivers get more out of every charge.
EV mods appeal to owners who want more—more comfort, more capability, and more individuality. Instead of accepting factory limitations, car enthusiast tailor their vehicles to better match their driving style and needs.
Imagine a 1980s Ford Mustang Cobra with the soul of a Tesla under the hood. It’s not just a car; it’s a statement of how far modification can go. So, to understand what’s possible and what isn't, let's break down everything you need to know about what you can upgrade on an electric car.
How Far Can You Go? EV Mods That Are Actually Possible
As a premium automotive parts store in Melbourne, we see it all in terms of modifications, but for EVs, they fall all into three core categories that you’ll typically see include:
1. Aesthetic/ Cosmetic Upgrade
Just like traditional car upgrades, many car enthusiasts want to upgrade their EV into something personal, something that reflects their identity, not just the brand. Even though manufacturers like Tesla, Porsche, Audi, and BMW produce sleek and modern designs, many owners still want to personalise their car’s style to stand out. Through aesthetic EV mods, car enthusiasts create a look that aligns with their taste and driving lifestyle.
Exterior
- Vinyl wraps (matte, satin, chrome, colour-shift
- Custom paint protection film (PPF)
- Body kits (lip kits, side skirts, diffusers)
- Window tinting (UV and heat rejection)
- Blackout badges / debadging kits
- Custom LED lighting (underglow, DRL upgrades where legal)
Interior
- Ambient lighting kits
- Custom seat upholstery (leather/Alcantara)
- Steering wheel upgrades (flat-bottom, carbon trim)
- Dash wraps or trims (carbon fibre, brushed metal)
- Floor mats and cargo liners (premium or all-weather)
These EV mods typically don’t interfere with core systems, making them the easiest, safest, and most accessible upgrades.
2. Performance Upgrades
This is where things get really messy. EV performance mods focus more on handling, efficiency, and optimisation—not raw power gains. Unlike performance upgrades for petrol or diesel cars, that involves engine tuning or exhaust modifications.
So when I say things get messy here, it is because altering them can void warranties or cause damage. Still, some performance tweaks are possible.
What you can upgrade:
Wheels and tyres
- Lightweight forged wheels to reduce rotational mass and better efficiency.
- Low rolling resistance tyres in order to increase range.
- Performance tyres (e.g. Michelin Pilot Sport EV) for a better grip.
Suspension
- Lowering springs to improve stance and reduce its body roll.
- Coilover kits in order to adjust your ride’s height and damping control.
- Air suspension systems for extra added comfort and adjustability.
Braking components
- Performance brake pads and rotors for a better heat resistance.
- Stainless steel brake lines for a firmer pedal feel and better stopping power.
Aerodynamic enhancements
- Splitters for front to reduce lift.
- Diffusers in order to improve airflow.
- Subtle spoilers bring stability when it's speeding.
- Underbody panels to reduce drag.
With performance EV mods, you’re not increasing horsepower. Instead, you’re refining how the car uses its existing power and this is where most people get it wrong—these upgrades improve handling, efficiency, and control, not raw power.
3. Software Adjustments and Digital Enhancements
If you can gain access to the car’s computer management system, you can usually tamper with some of the settings to extract more power. This is the most powerful, but most restricted area.
What’s possible:
- Manufacturer-approved performance unlocks
- UI/UX customisation (where supported)
- Third-party apps and integrations (limited compatibility)
- Driving behaviour settings (regen braking, throttle response)
Constraints:
- Systems are often locked by manufacturers
- Over-the-air (OTA) updates can override changes
EV mods that revolve around car computers are heavily encrypted and need access to make many modifications on an EV because without access, any non-appearance related modifications will not be successful. Furthermore, the legality surrounding this is not clear, and it’s best to avoid accessing the computers in order not to void warranties.
The Hidden Risks of EV Modding
EV are all about software and computers, so you have to be prepared because EV’s are an entirely different system, and your previous knowledge of engines will be mostly useless. As automotive experts point out, EVs fundamentally limit traditional modification. As Michael Wein explains, “electric cars are complex, sealed systems…with no obvious way to tweak them.”
This just shows that EV’s are on whole another level and despite the growing interest in EV mods, they also introduce risks and several challenges that limit what owners can do. Unlike traditional vehicles, EVs operate on tightly integrated electrical and software systems, where even minor changes can have wider consequences.
EV Modding in Australia: Legal and Compliance Considerations
Ofcourse, aside from modifying your EV, just like traditional vehicles you have to comply too. With it, regulations ensure safety, roadworthiness, and environmental standards, and EVs add another layer of complexity due to their high-voltage systems and software-controlled architecture.
What You Need to Know
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ADR Compliance: All modifications must meet Australian Design Rules (ADR). They must not compromise safety systems, structural integrity, or lighting and visibility, even for aesthetic EV mods.
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State-Based Regulations: Each state has its own rules. Some upgrades may require engineering approval or certification, and non-compliant mods can lead to defect notices, fines, or registration issues.
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High-Voltage Restrictions: EV batteries and electrical systems require certified handling. Unauthorised modifications can breach safety laws and void compliance.
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Lighting Laws: Lighting upgrades must follow strict guidelines. Illegal underglow or incorrect LED colours can affect roadworthiness and result in penalties.
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Insurance Disclosure: All EV mods, may it be cosmetic or performance, must be declared. Failure to disclose can void your insurance or lead to rejected claims.
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Environmental and Safety Standards: Modifications must not breach noise regulations or interfere with pedestrian safety systems, even in quieter EVs.
The Future of Electric Car Modifications
The rise of EVs is reshaping the automotive landscape and EV mods are evolving with it. As electric vehicles become more mainstream, the aftermarket industry is shifting toward smarter, more efficient, and technology-driven solutions.
Unlike traditional modding, the future of EV mods will focus less on mechanical changes and more on software integration, efficiency, and advanced materials. This shift is already influencing how enthusiasts customise and optimise their vehicles.
Emerging Trends to Watch:
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3D-Printed Components: Custom, lightweight, and cost-effective parts that allow for faster prototyping and personalised designs.
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Advanced Battery Innovation: While direct battery modifications remain restricted, developments in battery technology and modular systems could open doors for performance-focused upgrades in the future.
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Sustainable Materials: Increased use of eco-friendly materials for interiors and exteriors, aligning with the sustainability goals of EV ownership.
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Software-Based Customisation: Greater access to performance settings, user interfaces, and driving modes through software updates and digital platforms.
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Aerodynamic Optimisation: More focus on airflow efficiency to improve range and performance, rather than purely aesthetic upgrades.
Conclusion
Electric car modification is still a niche, but it is growing. While Australia has no nationwide ban on petrol and diesel cars, the ACT has committed to phasing out new ICE vehicle sales by 2035, with other states setting aggressive EV adoption targets.
EV mods might not have the same level of freedom as with petrol or diesel vehicles, but there are plenty of ways to make your EV unique. If you’re planning modifications, remember to check with your insurance provider to ensure your upgrades are covered and don’t forget: the safest upgrades are those that are reversible, professionally installed, and aligned with national and state regulations.
Get the EV Aftermarket Modifications You Desire
Here at Mars Performance, we want drivers in Melbourne, Sydney, Victoria, all around Australia, to have the knowledge they need to get the EV aftermarket modifications they desire.
You can contact our dealership to learn more about electric vehicles, what they do, and the modifications you can make to these vehicles. Our expert team is ready to help you choose a cleaner ride and make the most of it.
Your car deserves the best, and Mars Performance delivers it!
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Frequently Asked Questions (FAQs)
1. Can I modify an electric car?
Yes, you can modify an electric car, but options are more limited than traditional vehicles. Most EV mods focus on aesthetics, handling, and efficiency rather than engine performance, as core systems like the battery and motor are tightly controlled.
2. Do EV mods void warranty in Australia?
Some EV mods can void your warranty, especially if they affect electrical systems, software, or high-voltage components. Cosmetic upgrades are generally safe, but performance and software changes should be done carefully and declared.
3. Are EV mods legal in Australia?
EV mods are legal in Australia as long as they comply with Australian Design Rules (ADR) and state regulations. Modifications must not compromise safety, structural integrity, or visibility, and some upgrades may require certification.
4. Can I increase performance in electric car?
You can improve an EV’s performance, but not in the traditional sense. Instead of increasing horsepower, EV mods focus on improving handling, efficiency, and responsiveness through upgrades like tyres, suspension, and aerodynamics.
5. What EV mods should I avoid?
You should avoid modifying battery systems, high-voltage components, or restricted software. These changes can be dangerous, void warranties, and may not comply with Australian regulations.
6. Are EV mods worth it?
EV mods are worth it if you focus on practical upgrades like tyres, suspension, and aerodynamic improvements. While you won’t gain traditional horsepower, the right modifications can improve handling, efficiency, and overall driving experience.








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