TestimonialsI just returned my leased 2015 6.2L Silverado. I had the Advantage tune for 20K miles and it has been fantastic and not one code or issue. I jumped in my new 2017, hit the throttl…I love my Advantage+ tune on my 2017 Colorado V6. The sport mode is raucous, and the eco mode shifts much closer to stock, but still feels like major gains when driving. I actually…I purchase TRIFECTA not knowing what to expect. Looking online everyones products promises results. But I took a leap and purchased this tuning for my stock 2016 colorado and bro…Very impressed all around with the performance of my Cobalt SS/TC. Awesome customer service!!!