Per-kart sounds

Hi to all, I'm new with STK, I read that need good "Per-kart sounds". I can try to create these sounds.
Are "Per-kart sounds" the sounds that every single kart emit, right?
Can I try to create these and to do listen to you?
Are "Per-kart sounds" the sounds that every single kart emit, right?
Can I try to create these and to do listen to you?