The mod's rarely ever make the car faster, and are usually done to slow ass cars.
There is some crazy shit people do.
The modifications include, but are not limited to: Huge exhaust tips, huge bodykits, underglow, butterfly or scissor "Lamborghini" doors, lots of T.V's, excess amount of stickers from parts companies which the car doesn't actually have parts from, etc.
You can't call a car that actually is fast a ricer, unless its stock performance wise with a huge bodykit or some other gay shit. lol.
Here's a couple of examples of "riced out" cars.