For a rock-solid base to design our system from we contacted Flowmaster Mufflers for their American Thunder complete header-back dual exhaust system kit (PN 17149, $580) designed for ’70- 74 ...

Flowmaster has exhaust systems for V-8 engine 1969 Camaros in 2 1/2-inch and 3-inch diameters. We used their universal dual-exhaust kit with 3-inch tubing in various bend configurations ...