Vehicles equipped with secondary air injection (SAI) require this filter.

Attention International Buyers! We cannot ship APR products internationally. We are authorized to ship products within the United States Only.

APR LLC is an automotive engineering firm operating a 36,000 sq. ft. performance campus in Opelika, AL. APR was founded in 1997 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.