NF2 Factory-verified

Chevrolet · Regular Production Option

Emission system, federal, Tier 1

Years 1963–79, 1996–07 Models 28 Factory citations 84

Also described as Dual exhaust, deep-tone mufflersDual exhaust-deep tone mufflerEmission system, Federal Tier 1Emission system, federal Tier 1Emission system, federalEmissions, Federal Tier 1

Also documented for Buick Cadillac GMC Oldsmobile Pontiac Saturn

Documented applications

Camaro

1968 Factory-verified

was N61

GM Heritage factory kit — 1968 Chevrolet Camaro, p.44.

Impala / Full-Size

1963–70s (varies) Confirmed

Astro — Second generation (1995–2005)

1998–2001, 2004 Factory-verified internal

GM factory document — 1998 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet astro 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet astro 2wd rpo code list, p.1.

Avalanche — GMT800 (2002–2006)

2002–2003 Factory-verified internal

GM factory document — 2002 chevrolet avalanche 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet avalanche 2wd rpo code list, p.1.

Blazer — S-10 second generation (1995–2005)

1999–2000 Factory-verified internal

GM factory document — 1999 chevrolet blazer 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet blazer 4wd rpo code list, p.1.

C/K pickup — GMT400 (1988–2000)

1998–2000 Factory-verified internal

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.

Corvette — C4 (1984–1996)

1996 Factory-verified internal

GM Heritage factory kit — 1996 Chevrolet Corvette, p.62.

Corvette — C5 (1997–2004)

1997–2000 Factory-verified internal

GM factory document — 1997 chevrolet corvette rpo code list, p.1.
GM factory document — 1998 chevrolet corvette rpo code list, p.1.
GM factory document — 1999 chevrolet corvette rpo code list, p.1.
GM factory document — 2000 chevrolet corvette rpo code list, p.1.

Express — GMT600 (1996–2002)

1998–2002 Factory-verified internal

GM factory document — 1998 chevrolet express rpo code list, p.1.
GM factory document — 1999 chevrolet express rpo code list, p.1.
GM factory document — 2000 chevrolet express rpo code list, p.1.
GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.

Express — GMT610 (2003–2027)

2003 Factory-verified internal

GM factory document — 2003 chevrolet express rpo code list, p.1.

Impala — eighth generation (2000–2005)

2000 Factory-verified internal

GM factory document — 2000 chevrolet impala rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Impala, p.43.

Lumina — second generation (1995–2001)

1998–2001 Factory-verified internal

GM factory document — 1998 chevrolet lumina rpo code list, p.1.
GM factory document — 1999 chevrolet lumina rpo code list, p.1.
GM factory document — 2000 chevrolet lumina rpo code list, p.1.
GM factory document — 2001 chevrolet lumina rpo code list, p.1.

Malibu — Fifth generation (1997–2005)

1998 Factory-verified internal

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.

Metro — second generation (1998–2001)

1999–2001 Factory-verified internal

GM factory document — 1999 chevrolet metro rpo code list, p.1.
GM factory document — 2000 chevrolet metro rpo code list, p.1.
GM factory document — 2001 chevrolet metro rpo code list, p.1.

Monte Carlo — fifth generation, W-body (1995–1999)

1998–1999 Factory-verified internal

GM factory document — 1998 chevrolet monte carlo rpo code list, p.1.
GM factory document — 1999 chevrolet monte carlo rpo code list, p.1.

Monte Carlo — sixth generation (2000–2007)

2000 Factory-verified internal

GM factory document — 2000 chevrolet monte carlo rpo code list, p.1.

Prizm — third generation (1998–2002)

1998–2002 Factory-verified internal

2001-2002 lists print "Federal Emission System NLEV"

GM factory document — 1998 chevrolet prizm rpo code list, p.1.
GM factory document — 1999 chevrolet prizm rpo code list, p.1.
GM factory document — 2000 chevrolet prizm rpo code list, p.1.
GM factory document — 2001 chevrolet prizm rpo code list, p.1.
GM factory document — 2002 chevrolet prizm rpo code list, p.1.

S-10 pickup — Second generation (1994–2004)

1999–2000 Factory-verified internal

GM factory document — 1999 chevrolet s10 pickup 4wd rpo code list, p.1.
GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.

Silverado — GMT800 (1999–2007)

1999–2000, 2002–2007 Factory-verified internal

2005–2007: heavy-duty models only (GM’s HD list)

GM factory document — 1999 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Truck and Silverado, p.57.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.60.

Silverado HD — GMT800 (2001–2007)

2002–2007 Factory-verified internal

GM factory document — 2002 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.

SSR (2003–2006)

2003–2004 Factory-verified internal

GM factory document — 2003 chevrolet ssr rpo code list, p.1.
GM factory document — 2004 chevrolet ssr rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1998–1999 Factory-verified internal

GM factory document — 1998 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy suburban 2wd rpo code list, p.1.

Suburban — GMT800 (2000–2006)

2000, 2002–2003 Factory-verified internal

GM factory document — 2000 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet chevy suburban 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Suburban, p.47.
GM Heritage factory kit — 2003 Chevrolet Suburban, p.39.

Tahoe — GMT400 (1995–1999)

1998–1999 Factory-verified internal

GM factory document — 1998 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet tahoe 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006)

2000, 2002–2003 Factory-verified internal

GM factory document — 2000 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 2000 Chevrolet Tahoe, p.47.
GM Heritage factory kit — 2002 Chevrolet Tahoe, p.30.
GM Heritage factory kit — 2003 Chevrolet Tahoe, p.32.

Tracker — Second generation (1999–2004)

1999–2004 Factory-verified internal

GM factory document — 1999 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2001 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2002 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet tracker 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet tracker 2wd rpo code list, p.1.

TrailBlazer — GMT360 (2002–2009)

2002, 2003 Factory-verified internal

GM Heritage factory kit — 2002 Chevrolet Trailblazer, p.28.
GM factory document — 2002 chevrolet trailblazer 2wd rpo code list, p.1.
GM factory document — 2003 chevrolet trailblazer 2wd rpo code list, p.1.

Venture — U-body minivan (1997–2005)

1999–2001 Factory-verified internal

GM factory document — 1999 chevrolet venture ext rpo code list, p.1.
GM factory document — 2000 chevrolet venture ext rpo code list, p.1.
GM factory document — 2001 chevrolet venture ext rpo code list, p.1.

This page aggregates every documented appearance of NF2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.