I cannot think of any other sound that exemplifies the violent nature of internal combustion engines so well. Backfires, caused by the ignition of unburnt fuel in either the intake or exhaust manifolds, is ever-present in high performance, low durability turbo motors.
With anti-lag technology, fuel is ignited in the exhaust manifold in order to spool the turbo in absence of engine load, thus resulting in instant, usable boost at nearly any RPM. It is widely used in modern rally cars, as we see demonstrated by the Lancia.
Take a look at this Delta as it crackles and pops through the streets, heralding the presence of a turbocharged monster.
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