X- Pipe Flowmasters

That's a great price and I would snatch them up if they came off a car identical to mine. But since they came off a different model I think the trouble to modify them to work on your 65 would negate whatever savings you might realize. Our early As are tight in a few places, exhaust wise. The routing around the gas tank particularly. You'd probably have to cut, clamp, splice, weld that setup front to back to make it fit. I had mine done by an exhaust shop but I beleve there are some ready made kits for Early As. Keep looking.