Exhaust, dual outlet, stainless steel

Years 2019–20 Models 1 Factory citations 1

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Also described as Exhaust, dual, bright tips

Also documented for Buick Chevrolet

Documented applications

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLE, SLT: O; Denali: S; only with the LTG engine; letter O in the code as GM prints it; NW0 in GM's other lists is a wheel, a different code

GM factory document — 2019 gmc terrain order guide copy gm authority, p.10, p.45.
2020 Single-source

with the LTG engine; 2020 from GM Authority's 2021 changes page, which lists it as deleted for 2021 with the LTG; letter O in the code as GM prints it; NW0 in GM's other lists is a wheel, a different code

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