Flowmaster - Super 50 - 2.50 Offset In / 2.50 Center Out - Mild Sound 447 in - Duration 260

447 in - Duration 260 / 260 - 110 LSA - 1200 / 5200 RPM - Oldsmobile V8 - Each

Rear Suspension Kit - Bolt-On - Bushings / Crossmember / Lower Bars / Shocks / Springs / Hardware Included - Double Adjustable - 200 lb/in Spring Rate - Long Wheel Base - Ford Fullsize Truck 1973-79 - Kit

6 in W x 1

or TR-3550 transmission

Flowmaster - Super 50 - 2.50 Offset In / 2.50 Center Out - Mild Sound 447 in - Duration 260The Super 50 series muffler is a larger version of Flowmaster's 50 series Delta Flow muffler. Originally designed for trucks and SUV's, it is also well suited to muscle car and high performance applications. In addition, the larger case size significantly reduces interior resonance and provides a deep, rich tone along with mileage and power gains. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.