Why did my car get so loud?

I have a 2002 Honda Civic lx. Recently it got really loud. The noise happens when i press on the gas. It sounds like i'm driving a motorcycle when its a small car. Just don't know much about cars and need some help. I looked under the hood and realized a crack. I don't know if it means anything but ill post the picture if it helps. Any info is appreciated!Why did my car get so loud

That looks like a coil cover, no problem. Sounds like an exhaust leak to me, like a hole in the muffler or pipe.

That is just the exhaust cover in your picture. I don't see the crack.
It usually crack at the flex pipe, but it can crack anywhere in your exhaust system.

I agree with Pilsner Man, a leak (hole or crack) somewhere in the exhaust system.

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