What makes cars and truck sounds so powerful?

Question

i was in a neighbor hood and i know that a man didnt spend thousands of dollars on a new engine for his camaro. . .it was sound loud and sound so powerful though. . .what make small cars like 2002 camaro and truck sound so loud and powerful. . .i promise that camaro sound like it could pull a trailer or something

Answer 1

mufflers and add ons to their cars and trucks that cost lots of money.

Answer 2

That's just some exhaust system he put in...

Some of the most powerful engines on earth are smooth, quiet, and refined.

Answer 3

exhaust system or straight pipes all the way back with no cat or anything just pipes.

Answer 4

Probably the muffler.

Answer 5

a new header  

Answer 6

it,s the exhaust they have on the cars. maybe a cherry bomb.