The roar of an engine revving. The smell of burning rubber as smoke pours from spinning tyres.
For some people, this is the stuff of nightmares - the car scene can be a noisy, smelly, dirty environment.
But for others, it's a thrill.
The term "boy racer" has become has become synonymous with "criminal". People driving modified cars are often suspected to be up to no good.
Sometimes they are. I doubt there's a modified car owner out there who hasn't tried to redline their pride and joy at some point.