The CSR chassis comes in two basic trims which mirror those of the S3/SV cars. The 'basic' CSR has a road and touring oriented spec with full windscreen and weather equipment. This is available as the CSR200 (200 bhp) or CSR260 (260 bhp). The CSR Superlight (also 260 bhp) is the current Caterham performance flagship strips away the windscreen, integrated dash and other comfort-oriented components for maximum performance, with specialist 'Dynamic dampers' added to improve its already phenomenal grip. The 'basic' CSR set an unofficial time of 1.17.4 on the BBC Top Gear test track at Dunsfold, placing it ahead of many of the world's most expensive performance cars.