This list includes some badass rides with nearly unlimited tuning potential. Supercar slayers!

American tuner culture has been around for decades, from hot rods to hardcore naturally-aspirated muscle to drag monsters. However, it now seems like the American tuner cars have been eclipsed by the popularity of the JDM and German machines.

Do you want to dust supercars at the stoplight? Make that guy in the Maserati’s eyes grow wide? Make that fool in the Ferrari jump out of his seat? Then you've got to get one of these 8 badass sleeper cars that’re built to rival any hundred-thousand-dollar supercar. These cars are guaranteed to surprise with all the unexpected power they’re bringing to the table. And for a fraction of the price of what a supercar will cost you, you could have one in your garage. These are the 8 cheap sleeper cars that will surprise supercars.