Super 40 - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound 1967-cadillac-eldorado-esi6252030 125 in Mandrel - Aluminum

125 in Mandrel - Aluminum - Natural - Kit

875 in OD - 8 in Long - 5/8-18 in Female Thread - Steel - Black Zinc - Each

930 in ID - 1

Shifter Stick - Single Bend - 16 in - 3/8-16 in Thread - Steel - Chrome - Universal - Each

Fabric Protectant - Protector - 16 oz Spray Bottle - Fire Retardant Materials - Set of 6

Super 40 - 2.50 Dual In / 2.50 Dual Out - Aggressive Sound 1967-cadillac-eldorado-esi6252030 125 in Mandrel - AluminumThe Super 40 features Flowmaster's Delta Flow technology. It's larger case profile provides the best of both worlds of performance and sound. The Super 40 has that deep powerful sound of the Original 40 series but with all the benefits of performance and low interior resonance from the Delta Flow&reg technology. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability.