what are the flaps on the exaust for?

[dogbert]

Title says it. Just curious what it would do if i were to take them off.

You wouldn't be able to land anymore

As the other guys said, it prevents backflow into your engine.

[ddmracing05]

So I guess your neighbor has like a Baja or some other speed boat?

ha no thats another guy down the street,
He Sadly has a Nautique. But boats just sound good when the exaust are out of the water. Idk lol

[jleger98]

He Sadly has a Nautique.

Well you can't hold that against him......oh wait, yes you can

[wakeboarder247]

hahahaha.. Ya you def can!