Seb began installing nitrous kits on his own cars before opening his own home - based business .
A builder from day one always interested in how things worked grew an interest in horsepower in the early 1990 's getting a job with NOS .
Seb began installing nitrous kits on builder 's own cars before opening his own home - based business .
A builder from day one always interested in how things worked grew an interest in horsepower in the early 1990 's getting a job with NOS .