Exhaust system, sporty

Years 1992–93, 1998 Models 2 Factory citations 3

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Also documented for Buick Oldsmobile Pontiac

Documented applications

Lumina — first generation, W-body (1990–1994)

1992–1993 Factory-verified

1991 is not claimed: the page that prints it (1991 p.73) carries no readable model-year field

GM Heritage factory kit — 1992 Chevrolet Lumina, p.56.
GM Heritage factory kit — 1993 Chevrolet Lumina, p.73.

Malibu — Fifth generation (1997–2005)

1998 Factory-verified

platform-list code; the Malibu 1997–1999 kit order guides do not show it.

GM factory document — 1998 chevrolet malibu rpo code list, p.1.

This page aggregates every documented appearance of NC6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.