Super 40 - 3.00 Offset In / 3.00 Center Out - Aggressive Sound 1981-chevrolet-k20-esi5874401 330 in Rectangular Port -

330 in Rectangular Port - Steel Core Laminate - Mopar B / RB-Series - Pair

Tire Shine - Back to Black Tire Shine - 24 oz Spray Bottle - Each

Oil Pump Pickup Stud - Hex Head - Steel - Black Oxide - Small Block Ford - Each

Fuel Pump - Atomic Belt Drive - Belt or Hex Driven - In-Line - 1-1/4 in Hose Barb Inlet - 12 AN Female O-Ring Outlet - Black - E85 / Gas - Each

End Link - Front - 4 to 6 in Adjustable - Steel - Black Powder Coat - Ford Fullsize Truck 2000-04 - Kit

Super 40 - 3.00 Offset In / 3.00 Center Out - Aggressive Sound 1981-chevrolet-k20-esi5874401 330 in Rectangular Port -The 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.