I TOO OWN A EARNHARDT INTIMIDATOR SS CAMARO. I CAN ANSWER YOUR QUESTION. THERE IS NO DOUBT THAT THESE ARE A SUPERCAR. THE ONE THAT WAS ON THE HOTROD POWER TOUR DYNOED 398 HP AT THE REAR WHEELS! THESE ARE TRULY A MODERN DAY MUSCLECAR/SUPERCAR. CONGRATULATIONS, YOU WILL LOVE THE CHAMBERED EXHAUST!!!