Side Mount Exhaust System

Years 1963–79, 1992–93 Models 4 Factory citations 6

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Also described as Side mounted dual exhaustFuel conversion, methanol

Documented applications

Corvette (C1 / C2)

1965 Factory-verified

$134.50; 759 built; first year for factory sidepipes

GM Heritage factory kit — 1965 Chevrolet Corvette, p.14.
1966 Factory-verified

$131.65; 3,617 built

GM Heritage factory kit — 1966 Chevrolet Corvette, p.14.
1967 Factory-verified

$131.65; 4,209 built (price and count: Corvette Black Book)

GM Heritage factory kit — 1967 Chevrolet Corvette, p.9.

Corvette (C3)

1969 Factory-verified

$147.45; 4,355 built (price and count: Corvette Black Book); only C3 year with factory side exhaust

GM Heritage factory kit — 1969 Chevrolet Corvette, p.87.

Impala / Full-Size

1963–70s (varies) Single-source

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

1992–1993 Factory-verified

1991 is not claimed: the page that prints it (1991 p.74) carries no readable model-year field

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

This page aggregates every documented appearance of N14 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.