Dromo designed the modification according to Sepang International Circuit' needs and both FIA and FIM endorsements. Homologation has been granted just days after the works by both federations.

T15 camber modification was done to get different targets:
1) to avoid streams of water crossing turn entry and exit (due the fact that both entry and exit were originally off camber and the corner itself on camber)
2) to reduce the last corner speed to reduce the main straight top speed and improve run off efficiency
3) to create more chances to overtake and more show