Software for Optimal Vehicle Performance
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Products Available to Authorized Dealers
Our EZLynk tuning packages are sold exclusively through our dealer network. Log in or apply to access the full catalog and pricing.
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Ford · GM · Ram Platforms
Global Dealer Network
Power. Precision. Confidence.
Down Under Performance was built by diesel enthusiasts who live and breathe the machines we tune. Our team combines hands-on racing experience with deep technical engineering — the kind that comes from years spent inside the software that controls modern engines. We’re based in New Zealand and serve a global dealer network, bringing true reverse-engineered diesel performance to the world.
