Engine Upgrades Auckland | Built Engines, Intake & Intercooler NZ | HarrysEuro
Audi Engine Upgrades
Bentley Engine Upgrades
Mercedes-Benz Engine Upgrades
BMW Engine Upgrades
Ferrari Engine Upgrades
Lamborghini Engine Upgrades
Land Rover Engine Upgrades
McLaren Engine Upgrades
Nissan Engine Upgrades
Porsche Engine Upgrades
SEAT Engine Upgrades
Skoda Engine Upgrades
Volkswagen Engine Upgrades
Build More Power.
Premium engine upgrades for every European performance car. From cold air intakes and intercoolers to fully built engines, throttle controllers and oil cooler kits — massive power gains and reliability for NZ roads and track use.
Why Upgrade Your Engine at HarrysEuro?
Factory engines are safe but power-limited. Our upgrades take you from simple intake mods all the way to fully built engines — delivering huge horsepower & torque gains, sharper throttle response, and better cooling while staying fully compatible with Unitronic tuning and installed the same day in our Auckland workshop.
Real Performance Gains
- Up to +150HP and +200Nm with fully built engine
- 0.5–1.5 sec faster 0-100km/h
- Lightning throttle response with controller
- Better cooling and reliability under load
Upgrade Options
Intake & Throttle
Daily drivers
Cold air intake + throttle controller.
Intercooler & Oil Cooler
Fast road & tuned cars
Larger intercooler + oil cooler kit.
Fully Built Engine
High-power & track use
Complete built engine with internals.
All options include free compatibility check and dyno time.
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 engine setup
- 2. Discuss your power goals and driving style
- 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
Will it affect reliability?
We use only premium parts and proper supporting mods — your engine will be stronger and more reliable than stock.
How much power can I expect?
Typical gains range from +30HP (intake stage) to +150HP+ (full built) — we dyno every car.
Is it compatible with Unitronic?
Yes – all our engine upgrades are designed to work perfectly with Unitronic Stage 1-3.
How long does installation take?
Same day for intake/intercooler; 2-3 days for full built engine.