Audi Performance and Racing
|Limited liability company|
|Industry||Automotive industry, Motorsport|
|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.