Need for Speed: Underground is the first title in the Need for Speed series to feature individual body kits that can be equipped to cars. They are awarded to the player by Samantha, after completing the race event Good Samaritan. The player can only pick one of two body kit styles to equip to their cars; Mantis or Vapor.

The star rating of each vehicle can be improved to up to four stars.

Body Kits

Wide Body Kits
Vapor Mantis Vapor Mantis
Acura Integra Type R Acura RSX
IntegraBodyKit Integrac Rsxb Rsxc
Dodge Neon Coupe Ford Focus ZX3
Neonb Neonc Focusb Focusc
Honda Civic Si Honda S2000
Civicb Civicc S2000b S2000c
Hyundai Coupe/Tiburon V6/GT Mazda MX-5/Miata
Hyundaib Hyundaic Mx5b Mx5c
Mazda RX-7 Mitsubishi Eclipse GSX
Rx7b Rx7c Eclipseb Eclipsec
Mitsubishi Lancer ES Nissan 240SX SE
Lancerb Lancerc 240sxb 240sxc
Nissan 350Z Nissan Sentra SE-R SpecV
350zb 350zc Sentrab Sentrac
Nissan Skyline GT-R R34 V-Spec Peugeot 206 (S16)
Gtrb Gtrc 206b 206c
Subaru Impreza 2.5 RS Toyota Celica GT-S
Wrxb Wrxc Celicab Celicac
Toyota Supra Volkswagen Golf GTI
Suprab Suprac Golfb Golfc