On Sunday, March 13th 2011 at Montgomery Motorsports Park APR set a new world record for the fastest 1/4 mile time with an Audi RS4 B7 4.2L at 11.833 seconds confirmed by video and the NHRA certified race track in Montgomery, AL. In addition to this fantastic achievement, APR also reduced the price of the Stage III Supercharger System used to achieve the new world record by $4000 with a new retail price of $14,999. Product Page