Audi Performance and Racing

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Type Limited liability company
Industry Automotive industry, Motorsport
Opelika, Alabama, USA
Area served Worldwide
Products engine tuning, Performance Engine Packages, Software Development

APR LLC is an automotive engineering and motor racing company based in Opelika, Alabama. APR mainly deals with Audi, Porsche and Volkswagen Group brands - Volkswagen, Škoda, and SEAT. Primarily APR is a research and development company that writes proprietary software for reading and writing to a Bosch Motronic Engine control unit for the purpose of engine tuning. APR also produces performance hardware for the automotive industry. It was founded in the mid-1990s by Brett Augsburger and Stephen Hooks.