2014 Chevrolet Silverado 5.3 Engine
Reviewed By Johnny L (WISTER, OK) Reviewed for a 2014 Chevy Silverado —3/30/2015 8:46 AM
After installation I really didn't notice much difference in my gas mileage but the shifts and performance did increase. I am very pleased with the performance I received from the programmer and I'm glad I made the purchase.
Would probably be nice...if it worked
Reviewed By Andrew C (Clover, SC) Reviewed for a 2015 GMC Yukon —3/30/2015 6:41 AM
Decent looking little tuner. Easy to setup. Only problem is they are selling a tuner for a vehicle that they don't actually support. This tuner was specifically or a 2015 Yukon Denali. Upon updating CPU said the vehicle wasn't supported. I contacted FlashPaq-said to give them 2 weeks due to vehicle updates. I waited 3 months, calling every few weeks. Now its sir we haven't even started testing the vehicle yet it will be 6 months. Just hold it until we are done testing. SMH, bad stuff.