Not sure which 2009 Chevy Silverado Performance Chips & Programmers are right for you? We have over 7429 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"installed programer and noticed only slight gains in MPG and power i was almost upset then my cold air intake came in the next day and it really let the engine breathe and the programmer do its thing. im getting about 20-21 mpg avg on highway" —Anthony R from Stony Point, NY bought a Hypertech Max Energy Programmer for a 2009 Chevy Silverado.