Originally Posted by thinksnow

They were running a memorial day special for $379 plus $8 shipping. I did notice about a 1 to a 1.5 mpg increase, its hard to tell as I'm still playing with it alot. It did come with an 87 economy tune which I'm sure would do better. I'm running the perf / tow tune because I'm using the truck to tow our 30ft travel trailer.