Turbochargers have proven to be a bit of a game-changer over the past couple of decades in particular, with the devices pretty much singlehandedly ending the era of the naturally aspirated engine. This is because, while providing a significant chunk of extra power, they also improve engine efficiency due to utilizing normally wasted exhaust gases. With manufacturers focused on making their cars as clean and efficient as possible, turbos allow them to keep their cars powerful at the same time. Then Maserati made the first series-production twin-turbo car in 1981 with the Biturbo, forging the path for this format, used sequentially in earlier twin-turbos like the Porsche 959, but mostly parallel twin-turbo setups in modern examples like the Porsche 911 Turbo or McLaren 750S.
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