Engine/Exhaust Package

Upgrade your car's acceleration in Need for Speed Underground with Street, Pro, and Extreme Performance Engine/Exhaust Packages. Details on unlocks and costs.

Street Performance

This package costs 500 and is unlocked in Challenge 6. It includes a Cold Air Intake System, Cat-Back Exhaust System, and Replace Headers. Available brand packages are: AEM, Aerospeed, DC Sports, Injen Technology, HKS USA; NEUSPEED, Jackson Racing, HP Racing, Stillen, Venom; Skunk2 Racing, Borla, A'PEXi, GReddy; and 5Zigen, Skunk2 Racing, A'PEXi.

Pro Performance

This package costs 1000 and is unlocked in Challenge 30. It includes Mild Camshaft & Cam Gears, a High Performance Throttle Body, High Flow Intake Manifold, and a Larger Diameter Flowpipe. Available brand packages are: AEM, Jackson Racing, A'PEXi, GReddy, Venom; Arospeed, NEUSPEED, Skunk2 Racing, Borla, Injen Technology; and DC Sports, HKS USA, HP Racing, Stillen; and Scorpion Exhausts, Henshin Auto, DC Sports.

Extreme Performance

This package costs 2000 and is unlocked in Challenge 66. It includes Replace Piston & Rods, Racing Camshaft & Cam Gears, Port & Polish Heads, Blueprint the Block, Low Restriction, High Flow, and Headers Installed. Available brand packages are: AEM, NEUSPEED, Jackson Racing, Venom, Arospeed; Greddy, Skunk2 Racing, A'PEXi, Borla, HKS USA; and DC Sports, Injen Technology, HP Racing, Stillen.