LPO, performance exhaust with calibration

Years 2017–19 Models 1 Factory citations 3

Also described as LPO, 1.4L turbo stage kit

Documented applications

Sonic — first generation (2012–2020)

2017 Factory-verified

LT, Premier: O; requires federal emissions and LUV; the 2018–2019 guides print SDM as the performance exhaust (next row)

GM factory document — 2017 chevrolet sonic order guide copy gm authority, p.64.
2018–2019 Factory-verified

LT, Premier: O; in PCH and PCM; the 2017 guide prints SDM as a turbo stage kit (previous row)

GM factory document — 2018 chevrolet sonic order guide copy gm authority, p.70.
GM factory document — 2019 chevrolet sonic order guide may 4 2018 copy gm authority, p.62.

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