| Engine |
| Chassis Code | GDB |
| Engine Code | EJ20 |
| Type | Horizontally opposed four, |
| | turbocharged and intercoooled, |
| aluminum block and heads |
| Internal Modifications | None |
| External Modifications | AVO 400-hp ball-bearing turbo, |
| AVO bar-and-plate front-mount |
| intercooler, AVO dual-stage blow-off |
| | valve, STi front-mount intercooler |
| | water spray kit, AVO intake, Turbo |
| | XS stainless-steel turbo back |
| | exhaust, HKS header, ceramic- |
| | coated up-pipe, Unorthodox Racing |
| | underdrive pulleys, Samco turbo |
| inlet hose, Samco coolant hoses, |
| | Hose Techniques silicone engine |
| | hose kit, Sun engine grounding |
| kit, PWR aluminum radiator, |
| SYMS high-pressure radiator |
| cap, GReddy oil catch can, |
| Nitrous Express nitrous oxide |
| intercooler sprayer |
| Engine Management Mods | Turbo XS UTEC ECU, BBK fuel |
| pump, 650 cc/min injectors, |
| | A'PEXi AVC-R boost controller, |
| | A'PEXi turbo timer, high- |
| | volume fuel rails |