What is the best aftermarket performance upgrade for an already perfect LS7 2006, 2007, 2008,2009, 2010, 2011, or 2012 C6 Z06 Corvette? This is a question that many C6 Z06 owners are plagued by. CorvetteGuys has the answer with Diablo Sport Tuners. The higher the performance is prior to a Tuner means more gains after installation. Our Tuners are custom tuned to suit your C6 Z06 Corvette.