Fits 1957 Chevrolet Full Size Exhaust System 63020 wheel-cylinders-and-parts Includes adapters and jam nuts

Includes adapters and jam nuts to fit 3/8-16

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

Body Material : Stainless Steel Clamping Type : Band Clamp Core Diameter : 3 IN Exhaust Tip Diameter : 3 IN Exhaust Tip Finish : Satin Exhaust Tip Length : 10 IN Exhaust Tip Material : Stainless Steel Exhaust Tip Quantity : 1 Exhaust Tip Shape : Round Finish : Satin Hanger Included : NO Inlet Inside Diameter : 3 IN Inlet Quantity : 1 Inlet Type : Offset Muffler Size Position Left : 5x8x18 IN Muffler Size Position Right : 4x4x6 IN Muffler Type Position Left : Straight-through Muffler Type Position Right : Tuned Chamber Outlet Inside Diameter : 3 IN Outlet Quantity : 2 Outlet Type : Dual Overall Length : 24 IN Reversible : NO Series : xMOD Shape : Oval Tip Type : Cut Edge Tip Type : Single wall Tip Type : Welded-On

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

Fits 1957 Chevrolet Full Size Exhaust System 63020 wheel-cylinders-and-parts Includes adapters and jam nutsStation 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