The 700 HP Hennessey Camaro ZL1 — TUNED back to article Video: Tuned 700 HP Hennessey Camaro ZL1 Once this 700 HP Hennessey Camaro ZL1 was tuned, it was sent to Sealy, TX, to make sure whether this car meets all the wished requirements. It is definitely one of the loudest cars ever driven. Take a look at ... Read More