Power commander for the Grom coming soon. $399
Groms run super lean!
Groms run super lean!

You can usually find these from various (reputable) sites for under $300 if that makes you feel any better.For many they are bullshit boxes, cause they think I plug this in i'm making alot more HP. Well without dyno time and money, they are bullshit. I've seen what one prograsmmed well can do, but for 400 bucks, i'll pass.