Chevy Express Performance Chips & Programmers

Reviewed By Robert R (Milton, FL) Reviewed for a 2008 Chevy Express —5/1/2013 3:46 AM

As you can imagine getting any type of improvement in power or gas mileage from this type of a vehicle would be a huge benefit. The aerodynamics are just not there for streamlining this type vehicle. Therefore one has to hope that any improvement with this vehicles performance could come from an aftermarket device. I have good news to report on the power provided by the Bully Dogs retuning of the 6.0 gas engine, acceleration through the power curve is excellent, gas mileage no improvement

Reviewed By Scott S (FRESNO, CA) Reviewed for a 2014 Chevy Silverado —1/19/2015 9:38 AM

Noticeable increase in HP and firmer shifting at higher RPMs. Lost MPG in city & HWY which was disappointing. '14 Silverado w 6.2L

Reviewed By Jason F (PALMETTO, GA) Reviewed for a 2005 Dodge Ram —3/20/2014 10:39 PM

Extremely ez to install. Just get in, close all doors, turn off all accessories, and follow. Performance went up est 15hp at least. Mpg average up 1.5 mpg. Up 3mpg hwy observed. Very useful, monitor actual water temp, trans temp and much more. Practical can potentially save a lot of money! Just be mindful that the gas pedal is more fun. Id buy again.