LPO, cat-back performance exhaust

Years 2016–27 Models 5 Factory citations 25

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Also described as LPO, cat-back performance exhaust upgrade systemLPO, performance exhaust

Also documented for Cadillac GMC

Documented applications

Colorado — Second generation (GMT31XX) (2015–2022)

2016–2019, 2021–2022 Factory-verified

the 2018 guide names it in a note; the upfitter lists read exhaust upgrade, dual mode, as the merged Canyon doc does; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022

GM factory document — 2016 chevrolet canyon colorado electrical body builders manual service manual 2016 en us, p.15.
GM factory document — 2017 chevrolet canyon colorado electrical body builders manual service manual 2017 en us, p.19.
GM factory document — 2019 chevrolet 19 coloradocanyon body builder sm u 2018aug01 1, p.13.
GM factory document — 2022 chevrolet 22 canyon colorado electrical body builder sm en us 2021oct15, p.14.
GM factory document — 2018 chevrolet colorado order guide copy gm authority, p.38.

Silverado 1500 — Fifth generation (2027)

2027 Factory-verified

GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 chevrolet next generation silverado 1500 retail and fleet fleet order guide, p.76.

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.15.
GM factory document — 2023 chevrolet 23 silverado 1500 electrical body builder sm en us 2022oct24, p.16.
GM factory document — 2024 chevrolet 24 silverado1500 electrical body builder 2023nov29, p.18.
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: O on all trims

GM factory document — 2025 chevrolet new suburban fleet order guide, p.29.
GM factory document — 2026 chevrolet suburban fleet order guide, p.30.
GM factory document — 2027 chevrolet suburban fleet order guide, p.29.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.14.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.14.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.10.

Tahoe — T1XX (2021–2027)

2022–2023, 2025–2027 Factory-verified

2027: retail guides: O on all trims

GM factory document — 2025 chevrolet new tahoe retail and fleet fleet order guide, p.38.
GM factory document — 2026 chevrolet tahoe retail and fleet fleet order guide, p.41.
GM factory document — 2027 chevrolet tahoe retail and fleet fleet order guide, p.37.
GM factory document — 2022 chevrolet 22 suburban tahoe electrical body builder sm u 2021oct08, p.14.
GM factory document — 2023 chevrolet 23 suburban tahoe electrical body builder sm en us 2022sep13, p.14.
GM factory document — 2026 chevrolet suburban tahoe electrical body builder manual service manual 2026 en us, p.10.

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