Why are lawn mower engines so loud, while my car is quiet?

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I just came back from a drive and I’m wondering why my 3.0L I6 engine which has roughly 385HP is relatively quiet besides a low growl compared to my extremely loud lawnmower which as a tiny 6HP single cylinder? Would the muffler of my car make that much of a difference?

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15 Answers

Anonymous 0 Comments

Your lawnmower’s engine cost a couple hundred bucks. The car’s engine cost a few thousand

A significantly different level of engineering went into both

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