closed, May 23rd-25th in observation of the Memorial Day Weekend!
New Passat tdi file/tune now avalable from APR
034 motorsports NEW S6 and S4 trans mount braces
QUATTRO DE MAYO is this Saturday starting at 10 AM
Closed Saturday for the Holliday weekend!
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oodSpeed Performance Lab offers the sports and race car enthusiast a full-service solution to your unique, high-performance needs.
Our pursuit in becoming the premier performance facility in the industry is championed by our commitment to the highest standards of ethics, integrity, craftsmanship, and customer satisfaction.
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Performance/racing parts and accessories installation
Performance parts and accessories sales
Research and development
Electrical wiring and design
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GoodSpeed’s Dyno Lab is the premier power testing and tuning facility in Arizona. We have created an ideal test environment for your performance vehicle.
We believe if we are going tune cars to the highest standards we must offer our customers the absolute best equipment and facilities possible.
With this in mind, we have chosen the finest and most accurate dynamometer in the world today, the MAHA LPS-3000.
Learn more about our facility and dyno at