APR Stage III 4.2 V8 supercharger for B8 S5 available, $12,999 - 428 all wheel horsepowerThis is the Stage III APR B8 S4 supercharger system. On 100 octane it is capable of hitting 428 horsepower at all four wheels. On 91 octane it is capable of an impressive 412 AWHP. Very nice compared to the stock 275 AWHP. The best performance numbers hit so far are email@example.com mph in the 1/4 mile. Definitely a large improvement and likely the best option available for those who want more out of their S5.
This article was originally published in forum thread: APR Stage III 4.2 V8 supercharger for B8 S5 available, $12,999 - 428 all wheel horsepower started by Sticky View original post