Exhaust Upgrades Auckland | Valved Cat-Back & Turbo Back Systems NZ | HarrysEuro

Audi Exhaust Upgrades

Bentley Exhaust Upgrades

Mercedes-Benz Exhaust Upgrades

BMW Exhaust Upgrades

Ferrari Exhaust Upgrades

Lamborghini Exhaust Upgrades

Land Rover Exhaust Upgrades

McLaren Exhaust Upgrades

Nissan Exhaust Upgrades

Porsche Exhaust Upgrades

SEAT Exhaust Upgrades

Skoda Exhaust Upgrades

Volkswagen Exhaust Upgrades
Flow More.
Sound Better.
Premium exhaust upgrades for every European performance car. More power, deeper adjustable sound, and better flow — from downpipes to full turbo-back systems with valved exhaust.
Why Upgrade Your Exhaust at HarrysEuro?
Factory exhaust restricts flow and kills power. Our upgrades deliver more horsepower & torque, a deeper aggressive sound (with valves), reduced backpressure, and perfect Unitronic ECU compatibility — installed the same day in our Auckland workshop.
Real Performance Gains
- Up to +45HP and +70Nm with full turbo-back
- Deeper, adjustable exhaust note with valved systems
- Faster turbo spool & reduced backpressure
- Lighter weight and cleaner engine bay sound
Upgrade Options
OEM+ Street
Daily drivers
Cat-back systems & muffler delete options.
Fast Road
Spirited driving & tuned cars
Downpipe + high-flow cat + cat-back.
Full Turbo Back
High-power & track use
Downpipe + valved exhaust + headers.
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 exhaust setup
- 2. Discuss your sound & power goals
- 3. Recommend the perfect package with personalised quote
- 4. Professional MTA-certified installation
- 5. Road 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 the exhaust be too loud?
Valved systems let you switch between quiet and loud with a button — perfect for daily or track use.
Does it affect emissions or warranty?
Hi-flow cats keep it NZTA compliant; we map with Unitronic to keep everything safe.
Will it fit my car?
Yes – we check wheel clearance, chassis clearance and ECU compatibility for free.
How long does installation take?
Same day for most vehicles.