N12 ✓ Factory-verified

Chevrolet · Regular Production Option

Exhaust system, rear exit

Years 1998–10, 2014–18, 2025–26 Models 15 Factory citations 73

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Also described as Exhaust, rear exitExhaust system

Also documented for CadillacGMCOldsmobilePontiac

Documented applications

Astro — Second generation (1995–2005) →

• 1999–2005 ✓ Factory-verified
  ⛭ 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 — 2002 chevrolet astro 2wd rpo code list, p.1.

  ⛭ GM factory document — 2003 chevrolet astro 2wd rpo code list, p.1.

  ⛭ GM factory document — 2004 chevrolet astro 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 chevrolet astro 2wd rpo code list, p.1.

Avalanche — GMT800 (2002–2006) →

• 2002, 2004–2006 ✓ Factory-verified

  the 2002 list reads Rear Exit Tail Pipe

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

  ⛭ GM factory document — 2004 chevrolet avalanche 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 chevrolet avalanche 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 chevrolet avalanche 2wd rpo code list, p.1.

Avalanche — GMT900 (2007–2013) →

• 2007–2009 ✓ Factory-verified
  ⛭ GM factory document — 2007 chevrolet avalanche 2wd rpo code list, p.1.

  ⛭ GM factory document — 2008 chevrolet avalanche 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 chevrolet avalanche 2wd rpo code list, p.1.

Aveo — T200 (2004–2008) →

• 2008 ✓ Factory-verified

  the 2008 list reads standard muffler, 2 year warranty;

  ⛭ GM factory document — 2008 chevrolet aveo rpo code list, p.1.

Aveo — T250 (2009–2011) →

• 2009 ✓ Factory-verified
  ⛭ GM factory document — 2009 chevrolet aveo rpo code list, p.1.

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

• 1999–2004 ✓ Factory-verified
  ⛭ GM factory document — 1999 chevrolet blazer 4wd rhd rpo code list, p.1.

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

  ⛭ GM factory document — 2001 chevrolet blazer 4wd rpo code list, p.1.

  ⛭ GM factory document — 2002 chevrolet blazer 4wd rpo code list, p.1.

  ⛭ GM factory document — 2003 chevrolet blazer 4wd rpo code list, p.1.

  ⛭ GM factory document — 2004 chevrolet blazer 4wd rpo code list, p.1.

Express — GMT600 (1996–2002) →

• 1998–2002 ✓ Factory-verified
  ⛭ 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) →

• 2006–2010, 2014–2018 ✓ Factory-verified
  ⛭ GM factory document — 2006 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2007 chevrolet express awd rpo code list, p.1.

  ⛭ GM factory document — 2008 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2009 chevrolet express rpo code list, p.1.

  ⛭ GM factory document — 2010 chevrolet gh van elec 1 7 d1 100813, p.16.

  ⛭ GM factory document — 2014 chevrolet gh van elec bbm si brief, p.7.

  ⛭ GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.14.

  ⛭ GM factory document — 2016 chevrolet express savana electrical body builders manual service manual 2016 en us, p.8.

  ⛭ GM factory document — 2017 chevrolet express savana electrical body builders manual service manual 2017 en us, p.8.

  ⛭ GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.16.

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

• 2000–2004 ✓ Factory-verified
  ⛭ GM factory document — 2000 chevrolet s10 pickup 4wd rpo code list, p.1.

  ⛭ GM factory document — 2001 chevrolet s10 pickup 4wd rpo code list, p.1.

  ⛭ GM factory document — 2002 chevrolet s10 pickup 4wd rpo code list, p.1.

  ⛭ GM factory document — 2003 chevrolet s10 pickup 4wd rpo code list, p.1.

  ⛭ GM factory document — 2004 chevrolet s10 pickup 4wd rpo code list, p.1.

Silverado — GMT800 (1999–2007) →

• 1999–2007 ✓ Factory-verified
  ⛭ GM factory document — 1999 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 — 2001 Chevrolet Silverado, p.56.

  ⛭ GM Heritage factory kit — 2007 Chevrolet Silverado, p.56.

Silverado Medium Duty (GM515, 2019–2026) →

• 2025–2026 ✓ Factory-verified
  ⛭ GM factory document — 2025 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2026 chevrolet silverado 4500 hd 5500 hd and 6500 hd fleet order guide rpo codes, p.1.

Suburban — GMT800 (2000–2006) →

• 2000–2002, 2004–2006 ✓ Factory-verified

  the 2002 list reads Rear Exit Tail Pipe; the 2002 list words it "Rear Exit Tail Pipe"

  ⛭ GM factory document — 2000 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM factory document — 2001 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 — 2004 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM Heritage factory kit — 2000 Chevrolet Suburban, p.47.

  ⛭ GM Heritage factory kit — 2002 Chevrolet Suburban, p.37.

  ⛭ GM Heritage factory kit — 2004 Chevrolet Suburban, p.41.

Suburban — GMT900 (2007–2014) →

• 2007–2009 ✓ Factory-verified
  ⛭ GM factory document — 2007 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM factory document — 2008 chevrolet chevy suburban 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT800 (2000–2006) →

• 2000–2002, 2004–2006 ✓ Factory-verified

  the 2002 list reads Rear Exit Tail Pipe; the 2002 list words it "Rear Exit Tail Pipe"

  ⛭ GM factory document — 2000 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2001 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2002 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2004 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2005 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2006 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM Heritage factory kit — 2000 Chevrolet Tahoe, p.47.

  ⛭ GM Heritage factory kit — 2001 Chevrolet Tahoe, p.44.

  ⛭ GM Heritage factory kit — 2002 Chevrolet Tahoe, p.30.

Tahoe — GMT900 (2007–2014) →

• 2007–2009 ✓ Factory-verified
  ⛭ GM factory document — 2007 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2008 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM factory document — 2009 chevrolet tahoe 2wd rpo code list, p.1.

  ⛭ GM Heritage factory kit — 2007 Chevrolet Tahoe, p.29.

This page aggregates every documented appearance of N12 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.