it is my mums car, and i got it put on for her birthday, it was only 500$ pretty much i just told them to make it as loud as they could.. i think they are hsv resonators or hotdogs in there somewhere, i will swing by and ask him what exactly it was they did to it, there arent mufflers on the end.. just tips, ill grab some pics! it does sound veryyy beefy. like it should