How much air does a car engine really use? To demonstrate this, I attached balloons to the exhaust of my Honda S2000. The ...

Use your car as a flowbench - measure exhaust backpressure to see ... rather than the piston pushing out the gas to free air, it has to push it against a pressure. Doing that takes work ...

The 2025 Mini JCW Hardtop and Convertible have a secret exhaust outlet that is equal parts cool and weird. You wouldn’t know ...