The season saw teams compete with car chassis built to either NGTC or S2000 specification .
The NGTC cars had a significant performance advantage over the S2000 cars by giving NGTC cars a significant increase in the turbo boost pressures which they are allowed to run .
The season saw teams compete with car chassis built to either NGTC or S2000 specification although the NGTC cars had a significant performance advantage over the S2000 cars by giving NGTC cars a significant increase in the turbo boost pressures which they are allowed to run .