Listen to the raw, unfiltered straight-pipe sound of the legendary BMW M1 Procar as it flies up the hill at the Goodwood Festival of Speed. Featuring a high-revving naturally aspirated straight-six ...

Behind the roar of a straight-piped Maserati lies a lesson in acoustics and airflow dynamics. Without catalytic converters or mufflers, exhaust gases travel at near-supersonic speed, amplifying every ...