2004 Toyota Camry How to make my cars exaust louder?

I have a 2004 Camry(manual).I want to make my car's exaust noise louder(not too loud) without having to spend bucks!Is there any way i could increase my car's noise by simple way.1 fellow told me to poke the inside of the excaust with a broom handle and ma car would roar like a tiger.The pic below is not ma orginal car but is the same color and model.