TestimonialsAmazing! The change in my 2008 Sky Redline is nothing short of incredible. THANK YOU!Best bang for your buck!I just installed my trifecta advantage in my 2015 colorado 3.6 two wheel drive truck. What a difference it makes in the shifting compared to the factory settings. I've driven the t…I written this review almost 3 years after Installing the tune from Trifecta. What a difference! This tune make this car a pleasure to drive. It drives like a V8.