| 名称 | Speed | Handling | Upkeep | Cost | 出現条件 |
| Cold Air Intake | 1 | 0 | - | $300 | Lv:1 |
| Intake Manifold | 2 | 2 | - | $2,000 | Lv:3 |
| Upgraded ECU | 3 | 1 | - | $4,000 | Lv:7 |
| Performance Camshaft | 3 | 3 | $60 | $6,650 | Lv:10 |
| Front Mount Intercooler | 2 | 5 | $70 | $8,075 | Lv:12 |
| Forged Pistons | 4 | 4 | $100 | $13,300 | Lv:18 |
| Turbo Chargers | 8 | 1 | $200 | $19,000 | Lv:23 |
| Electro-Hydraulic Transmission | 7 | 3 | $300 | $32,300 | Lv:30 |
| Turbo Drivetrain | 15 | 6 | $1,000 | $95,000 | Lv:100 |
| Stage I Turbo Kit | 2 | 0 | - | $800 | Lv:1 |
| Stage II Supercharger | 3 | 1 | - | $2,400 | Lv:4 |
| Stage III Twin Turbo | 5 | 2 | $90 | $9,500 | Lv:15 |
| Dual Exhaust | 2 | 1 | - | $1,400 | Lv:2 |
| Performance Exhaust | 6 | 2 | $100 | $16,000 | Lv:20 |
| Stage I Fueling Kit | 0 | 6 | $50 | $5,700 | Lv:8 |
| TSC Fuel Injectors | 10 | 7 | $950 | $152,000 | Lv:75 |
| Stage I Nitrous System | 5 | 4 | $200 | $22,800 | Lv:25 |
| Stage II Nitrous System | 8 | 4 | $900 | $85,500 | Lv:55 |
| Stage III Nitrous System | 25 | 6 | $6,000 | $570,000 | Lv:170 |
| 名称 | Speed | Handling | Upkeep | Cost | 出現条件 |
| Upgraded Rotors | 0 | 1 | - | $200 | Lv:1 |
| Front Spoiler | 1 | 2 | - | $1,000 | Lv:3 |
| Sway Bar | 0 | 3 | - | $1,400 | Lv:5 |
| Carbon Fiber Hood | 2 | 4 | $40 | $6,080 | Lv:12 |
| Custom Roll Cage | 0 | 4 | $100 | $13,300 | Lv:19 |
| Rear Spoiler | 4 | 5 | $100 | $17,100 | Lv:22 |
| Custom Wheels | 6 | 3 | $200 | $23,750 | Lv:24 |
| Heavy Duty Control Arms | 4 | 6 | $300 | $32,300 | Lv:29 |
| Subframe Connectors | 2 | 9 | $400 | $38,000 | Lv:32 |
| Side Skirt | 2 | 2 | $10 | $2,660 | Lv:8 |
| Custom Body Kit | 8 | 12 | $2,100 | $190,000 | Lv:62 |
| Racing Suspension | 3 | 7 | $200 | $26,600 | Lv:27 |
| Coilover Damper Kit | 4 | 20 | $3,000 | $304,000 | Lv:85 |
| Street Racing Tires | 3 | 5 | $70 | $10,450 | Lv:17 |
| Street Legal Slicks | 7 | 26 | $6,000 | $617,500 | Lv:130 |
| 名称 | Speed | Handling | Upkeep | Cost | 出現条件 |
| Bullet-Proof Windshield | 0 | 2 | - | $500 | Lv:1 |
| Lexan Windows | 2 | 3 | $20 | $7,000 | Lv:10 |
| Twin Tipped Muffler | 3 | 0 | - | $2,500 | Lv:5 |
| Off Road Upgrade | 2 | 2 | $20 | $5,130 | Lv:9 |
| Hood Scoops | 1 | 5 | $30 | $9,120 | Lv:12 |
| Neon Lights | 0 | 7 | $50 | $12,350 | Lv:13 |
| Spike Hubcaps | 6 | 2 | $90 | $18,050 | Lv:16 |
| Weight Reduction | 5 | 4 | $200 | $25,650 | Lv:18 |
| Smoke Screen | 7 | 3 | $300 | $34,200 | Lv:21 |
| Euro Tail Lights | 13 | 13 | $2500 | $247,000 | Lv:69 |
| Performance Tuning Dynamometer | 24 | 12 | $5,550 | $513,000 | Lv:92 |
| 9500ci Laser Detection System | 19 | 29 | $9,000 | $900,000 | Lv:150 |
| 名称 | Speed | Handling | Upkeep | Sells for | 取得 |
| Custom Tuned Gearbox | 1 | 2 | - | $600 | HT:Race Street Gang Leader |
| Illegal Engine Mods | 5 | 1 | $70 | $3,750 | LA:Race Street Load |
| Xenon HID Headlamps | 3 | 6 | $100 | $12,000 | NYC:Brooklyn Bridge Chase |
| Jet Chips Shift Command | 7 | 2 | $100 | $9,000 | Miami:Obstacle Course Race |
| Police Radio Scanner | 2 | 6 | $200 | $9,250 | LA:Race on Hollywood Hills |
| Pro-Flo XT EFI Manifold | 4 | 4 | $100 | $7,000 | LA:Beach-side Race |
| Dual-Quad Intake Manifold | 5 | 4 | $200 | $12,000 | Miami:Follow Car Thief |
| 名称 | Speed | Handling | Upkeep | Sells for | 取得 |
| Venom Performance Injectors | 3 | 1 | - | $1,500 | Install Vampires Live 25 Points |