THE UNFAIR ADVANTAGE
Professional Dyno Tuning In New Zealand
WELCOME TO
REACTION RACING
Welcome to Reaction Racing Ltd we have been at the forefront of dyno tuning in New Zealand for more than 35 years so whether it is a high-performing street or to gain that extra edge going into your next Rally, Circuit , Drag or watersport event, with more than 35 years experience both locally and on the international circuit, you can rely on us to be more dedicated, fastidious and downright better than anyone else.
35 YEARS OF DYNO TUNING
After dedicating our lives to rendering the best service possible when it comes to dyno-tuning, we’ve had the privilege of working on some truly amazing projects, from international championship rally and circuit cars to deceptively high performing street cars. The greatest reward is to see our customer go out and enjoy the smooth running high powered projects that they own and win events and enjoy the drivability of these vehicles.
WE TUNE
Performance Cars
We specialize in high-performance street cars, but have also worked on championship-winning international rally and circuit cars. Their services are designed to help customers achieve peak performance and reliability, ensuring their vehicles are not just powerful, but also a pleasure to drive.

RALLY
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CIRCUIT RACING
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OFFROAD CARS
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client
Testimonial

“We trust and rely on Mike and Sue from Reaction Racing for the tuning and performance of our Rally Car. We have had the help of Reaction Racing for several years which has been instrumental in our success both in New Zealand and Internationally. From engine and diff computer management systems Reaction Racing has helped us to achieve optimum performance and reliability. We would not use anyone else!”