There is no good reason to overlook sometimes the most important trait of a car, braking. As power increases so should your braking. FLI hand picks each staged upgrade to make sure you have the best quality parts stopping your car when needing it most. Its not all about the size of the rotors or calipers. Each package has its purpose along with brake pad compound.
If there is any part to spend a little extra money on after upgrading power, braking should be considered.