Why do some cars have 2 exhaust pipes?

Have you ever been driving behind another vehicle and noticed two exhaust pipes? Besides, have you ever wondered why one car has two when others have one? Some vehicles come with more than one exhaust pipe, but do they serve a purpose? Here’s everything you need to know about why some cars have two tailpipes or a dual exhaust system.

2 exhaust pipes vs. 1 exhaust pipe

2023 Honda Civic Type R | Honda

According to Meineke, the main reason for having two exhaust pipes is to remove excess air from the cylinders more quickly. This way, the following exchange can start faster. Forced exhaust output is limited by vehicle camshaft size and timing. As a result, getting more out of two pipes can be beneficial instead of one faster. The more that comes out, the more can be absorbed back into the engine, resulting in extra horsepower.

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