Fuel System Upgrades Auckland | Injectors, Pumps & Flex Fuel Kits NZ | HarrysEuro
Audi Fuel System Upgrades
Bentley Fuel System Upgrades
Mercedes-Benz Fuel System Upgrades
BMW Fuel System Upgrades
Ferrari Fuel System Upgrades
Lamborghini Fuel System Upgrades
Land Rover Fuel System Upgrades
McLaren Fuel System Upgrades
Nissan Fuel System Upgrades
Porsche Fuel System Upgrades
SEAT Fuel System Upgrades
Skoda Fuel System Upgrades
Volkswagen Fuel System Upgrades
Fuel More.
Power Stronger.
Premium fuel system upgrades for every European performance car. High-flow injectors, fuel pumps and flex-fuel kits for E85 — support massive horsepower, perfect Unitronic compatibility and reliable delivery under boost.
Why Upgrade Your Fuel System at HarrysEuro?
Factory fuel system runs out of fuel when you add power. Our upgrades deliver consistent high-flow delivery, full E85 compatibility and rock-solid reliability — perfectly matched with Unitronic tuning and installed the same day in our Auckland workshop.
Real Performance Gains
- Support up to +250HP safely
- Full E85 flex-fuel capability
- Stable fuel pressure at high boost
- Faster injector response
Upgrade Options
High-Flow Injectors
Daily & street driving
Larger injectors for tuned cars.
Fuel Pump Upgrade
Fast road & Stage 2
High-pressure pump + injectors.
Full Flex Fuel Kit
High-power & E85 builds
Complete injectors + pump + lines.
All options include free compatibility check and Unitronic ECU mapping recommendation.
Dealer-Equipped, MTA Assured Workshop
Equipped to support late model European vehicles and performance builds.
Built for real-world performance
We fine-tune high-performance machines to suit how you actually drive.
Parts + servicing, under one roof
Specialise in performance parts, tuning, and in-house repairs with MTA-assured support.
How It Works
- 1. Confirm your exact make, model, year & current fuel setup
- 2. Discuss your power goals and E85 plans
- 3. Recommend the perfect package with personalised quote
- 4. Professional MTA-certified installation & mapping
- 5. Dyno test and handover the same day
Why Choose HarrysEuro?
- Unitronic Official Partner
- Dealer-level services without dealer prices
- Worldwide premium product brands
- 100+ real customer builds
- Lifetime technical support
Can I run E85?
Yes – our full flex-fuel kits make E85 easy and safe with Unitronic tuning.
How much extra power can I get?
Typically +50-150HP depending on your build — we dyno every car.
Will it work with my turbo upgrade?
Absolutely – we size everything for your exact power goals.
How long does installation take?
Same day for most vehicles.