Not sure which 2002 Chevy Trailblazer In-Line Modules are right for you? We have over 1502 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:
"The price was good. Don't epect this to entirely change your performance or fuel mileage. The fuel milleage is still about the same as before, but I have only had this unit for a week. The performance is slightly more perky when you get to the passing gear. Do I regret getting this? Well, I could have got by without it." —Jason H from Monticello, MN bought a Jet Performance Module for a 2002 Chevy Trailblazer, 4.2L 6-cyl..