An STM tune will provide a crisp responsive engine that will deliver optimum performance, great economy and excellent reliability. Learn more
Guaranteed results, fast turn around, better resale, and more power. Trust STM staged Power Upgrade Packages. Learn more
Engine Management Installation
Let STM select, install and tune a suitable Engine Management System for your vehicle, application and budget. Learn more
The STM workshop are confident installing and setting up any performance part bought from our store or supplied by you. Learn more
The STM team know performance cars inside and out. Trust STM to service your pride and joy with the attention it deserves. Learn more
NZ authorised EcuTek tuners
Benefit from STM's experience and EcuTek worldclass remapping software.
Performance Vehicle Specialists
STM are industry leaders in servicing, modification and tuning of performance vehicles. We are a motivated and enthusiastic team who live and breathe the car culture. We are owners of performance cars and we understand how important your car is to you. We provide a one stop shop for all your automotive needs, while offering an honest no-nonsense approach to your requirements. Click here to find out about us
STM stock high quality, high performance products.
Check our online store!