APR LLC is an automotive engineering firm operating a 78,000 sq. ft. performance campus in Opelika, AL. APR was founded in 19 ... 97 with a corporate philosophy of Integrity, Excellence and Innovation. APR's Sole Mission is to provide the highest quality and most highly engineered aftermarket performance products available for Porsche, Audi and Volkswagen vehicles. APR, Enhancing the Driving Experience with No Compromise. read more