1997-99 Chevrolet Corvette 5.7L Direct-Fit Catalytic Converter 4481988 Magnaflow keys 4L engines is perfect for

4L engines is perfect for the person looking for a deep aggressive exterior sound with a moderate interior tone

3L V8 1967 - 1969 Chevrolet K10 Pickup 327/5

Avenger EFI 2bbl TBI PN 550-200

This creates a cleaner burn for the incoming fuel and air resulting in an increased and broader torque curve

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