In addition to severe on-road product testing, APR is partnered with the Istook-Aines and INTRAX race teams deploying APR components in the harshest conditions possible. APR's engineers are on-site throughout the racing season, providing our racing partners crucial engineering and technical support when they need it most.

Both the Instook-Aines and INTRAX racing teams competed in last years Motorola Cup road racing series. Team INTRAX recently secured the first professional victory by an A4 in North American road racing at the Sebring Motorola Cup Endurance Race. The Instook-Aines S4 recently competed in the Rolex Grand-Am at Daytona and will be competing in this years Grand American Road Racing program.