Father-Son 1974 Duster Project

I used standard 40 series Flowmasters on a car and hated them. They were loud and had drone. However, I installed the Delta Flow 40 series Flowmasters and they are really great. I would assume the Thrush mufflers you have are a aggressive sound. D/D you can use a 8 inch wheel and just change the offset to like a 4 inch backspace and it will push the wheel out to the outer edge. It will be really close though. It could rub a little