Fits 1957 Chevrolet Full Size Exhaust System 63020 wheel-cylinders-and-parts Flowmaster's race-inspired American Thunder® Extreme

Flowmaster's race-inspired American Thunder® Extreme Cat-back system is designed to mount behind the factory catalytic converters

5L | 97-93 Impreza 1

7 PSI Adjustable Pressure Switch (Normally Open) - You don't want to be blasting nitrous into the engine if fuel pressure is below what is required to supply the required extra fuel

Shiny Aluminum Finish

IC Corporation FE Commercial (2003-2004)

Fits 1957 Chevrolet Full Size Exhaust System 63020 wheel-cylinders-and-parts Flowmaster's race-inspired American Thunder® ExtremeStation Wagon exc. 9 Pass. 6 cyl. Clamp and hanger kit #64002 must be ordered separately. Application: Year Make Model 1957 Chevrolet Bel Air 1957 Chevrolet Nomad 1957 Chevrolet One Fifty Series 1957 Chevrolet Two Ten Series