Explore Need for Speed Underground Turbo Packages: Street, Pro, and Extreme. Unlock Stage 1 at Challenge 9, Stage 2 at Challenge 38, and Stage 3 at Challenge 80.
Street Performance:
Available after completing Challenge 9, this package costs $1000 and primarily increases your car's acceleration. It includes the Stage 1 Turbo Kit.
Pro Performance:
Unlocking at Challenge 38, this package costs $2000. It enhances both acceleration and top speed, featuring the Stage 2 Turbo Kit with an Intercooler.
Extreme Performance:
This top-tier package is available after completing Challenge 80 and costs $4000. It includes the Stage 3 Turbo Kit for maximum performance gains.
Brands Available:
- HKS USA
- GReddy
- Stillen
- A'PEXi
- Turbonetics
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