Ep. 25: Rikako tunes the Devil Z while Takagi rebuilds Shima's crashed Blackbird
Aired on September 13, 2008

25
Rikako is shown tuning the engine of Akio's Devil Z. At the same time, Shima's Blackbird crashes while attempting to dodge a taxi. Consequently, Takagi is forced to rebuild the vehicle using a carbon fiber body to reduce its weight.
Episodes
- Ep. 21 · Eiji reaches Tokyo and reunites with RGO staff while Shima's Blackbird gains Shige's muffler
- Ep. 22 · Rikako tunes Eiji's Evo V and RGO cars while Maki visits Tokyo.
- Ep. 23 · Eiji and Rikako face Devil Z and Blackbird in Tokyo before returning to Osaka.
- Ep. 24 · Koichi Kijima reunites with tuner Machida to search for his long-lost FC
- Ep. 25 · Rikako tunes the Devil Z while Takagi rebuilds Shima's crashed Blackbird
- Ep. 26 · Kijima, Shima, and Devil Z compete in the final speed battle