Super 40 - 2.50 Offset In / 2.50 Same Side Out - Aggressive Sound 1998-audi-a6-esi1234824 Fits 2010-2014 Ford F- Series

Fits 2010-2014 Ford F- Series Truck 6

Crate Engine - 350 Cubic Inch - 350 HP - Small Block Chevy - Each

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Super 40 - 2.50 Offset In / 2.50 Same Side Out - Aggressive Sound 1998-audi-a6-esi1234824 Fits 2010-2014 Ford F- SeriesThe 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.