I have for sale a set of Kooks long tube headers for a (11-14 GT). These headers are used but in great shape, They were only on my car for around 300 miles. The reason I'm selling them is because I'm trading the car in for a new truck. I paid $989.99 for the headers new from AmericanMuscle and I'm asking $600.00 for them plus shipping. I live in Texas so if you want them I will get your info and give you a shipping price. Thanks!