There's lots of optional stuff to do, if you really want the game to last more than 20 hours, which I guess is kinda cool. (riddlethos.com)
Thankfully this wall of text belongs in the aforementioned list of optional stuff. (stevivor.com)
It takes the S, ups the output, and includes otherwise optional stuff like PASM, Sport Chrono, Sport Exhaust, and Sport Seats Plus, all at a slight discount. (roadandtrack.com)