Part
Optimized Inlets III
Legendary
Tier 3
Perfect Start
4000 credits
Perfect Start improves 
Slipstreaming by 200%, lost on 
Crash.
- How to unlock
- Complete 115 events.
Every tier of Optimized Inlets
| Part | Rarity | Tier | Effect | Price |
|---|---|---|---|---|
| Optimized Inlets I | Rare | 1 | Perfect Start improves Slipstreaming by 200% for 30s. |
2500 |
| Optimized Inlets II | Epic | 2 | Perfect Start improves Slipstreaming by 200% for 60s. |
3000 |
| Optimized Inlets III | Legendary | 3 | Perfect Start improves Slipstreaming by 200%, lost on Crash. |
4000 |