Article From Motor Trend Magazine

Tuner: 2004 AEM Honda Civic Si
| | 2003 Civic Si | AEM Civic Si |
| Power/torque | 160 hp/132 lb-ft | 327 hp/247 lb-ft |
| 0-60 mph | 7.7 sec | 4.5 sec |
| Quarter mile | 15.7 @ 88.6 | 12.7 @ 113.3 |
| Braking, 60-0 mph | 132 ft | 108 ft |
| 600-ft slalom | 64.6 mph | 69.3 mph |
| Lateral acceleration | 0.82 g | 0.98 g |