NB5 Factory-verified

Chevrolet · Regular Production Option

Exhaust, single outlet

Years 2004–05, 2009, 2015, 2017–20, 2022–27 Models 8 Factory citations 31

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Also described as Exhaust system, singleExhaust, single, sideExhaust, single system, single-outlet

Also documented for Buick GMC Pontiac Saturn

Documented applications

Cavalier — third generation (1995–2005)

2004–2005 Factory-verified

GM factory document — 2004 chevrolet cavalier rpo code list, p.1.
GM factory document — 2005 chevrolet cavalier rpo code list, p.1.

City Express (2015–2018)

2017–2018 Factory-verified

the 2015 list does not print it

GM factory document — 2017 chevrolet city express electrical body builders manual service manual 2017 en us, p.8.
GM factory document — 2018 chevrolet 18 city express bodybuilders sm 2 w cvr pg, p.10.

Equinox — Third generation (D2XX) (2018–2024)

2018 Factory-verified

L, LS, LT, Premier: S

GM factory document — 2018 chevrolet all new equinox fleet order guide wayback, p.1.
2019 Factory-verified

1SM, 1LS, 2FL, 1LT, 3LT, 1LZ, 3LZ: S

GM factory document — 2019 chevrolet equinox order guide april 6 2018 copy gm authority, p.118.

Silverado HD (T1XX, 2020–2027)

2023, 2025–2027 Factory-verified

only in: 2500 HD, 3500 HD

GM factory document — 2023 chevrolet 23silverado 2500 3500hd electrical body builder sm en us 2022oct12, p.12.
GM factory document — 2025 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet silverado 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Silverado — T1XX (2019–2026)

2020, 2022–2026 Factory-verified

GM factory document — 2020 chevrolet silverado 1500 fleet order guide wayback, p.1.
GM factory document — 2022 chevrolet 22 silverado 1500 new electrical body builder 042822, p.12.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.12.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.15.
GM factory document — 2025 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 chevrolet silverado 1500 retail and fleet fleet order guide rpo codes, p.1.

Suburban — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: LS, LT: S

GM factory document — 2025 chevrolet new suburban fleet order guide, p.7.
GM factory document — 2026 chevrolet suburban fleet order guide, p.7.
GM factory document — 2027 chevrolet suburban fleet order guide, p.7.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: FL, LS, LT, Police Package, Special Service: S

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.6.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.7.
GM factory document — 2027 chevrolet tahoe police package and special service fleet order guide, p.7.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.11.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.11.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.7.

Traverse — First generation (2009–2017)

2009, 2015 Factory-verified

the 2015 guide reads exhaust, single outlet.

GM factory document — 2009 chevrolet traverse rpo code list, p.1.
GM factory document — 2015 chevrolet traverse fleet order guide wayback, p.3.

This page aggregates every documented appearance of NB5 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.