1.8 GSR TURBO HEDDERS THATS ALL

So I have a honda civic and I want to attach a car horn on it with a custom sound bite (turbo sound). I want to be able to push a button in my car and the sound clip comes out of that horn. How do I go about doing this procedure?

I WANT TO MAKE MY CAR FASTER, I ONLY GOT ON IT A K&N TYPHOON COLD AIR INTAKE , AND I WAS THINKING ABOUT UPGRADING THE EXHAUST ON IT……….BUT WHAT ELSE CAN I DO WITHOUT SPENDING A WHOLE LOT OF MONEY LIKE IN A SUPERCHARGER OR A TURBO??? WHERE CAN I GET A PERFORMANCE CHIP FOR MY CAR?????

E.g. no turbos.
The car is completely stock except already has new tyres / rims, and exhaust.