Flat 6 Motorsports is proud to be an Authorized Akrapovič Dealer. A pioneer in its field, Akrapovič is widely recognized as a highly innovative materials technology company. The brand is synonymous with the highest level of design, performance enhancement and the creation of an unmistakable deeply resonant exhaust sound.. Flat 6 Motorsports carries the complete line of Akrapovic exhaust parts for your late-model Porsche.