06 LBZ Duramax Cold start & High Idle

Temp was about 23℉ with a wind chill of 16℉. Currently have an edge insight CTS, 4inch turbo back straight pipe, S&B cold air intake, and egr delete. Efi live to come

[@braydenkok1622]

Did you have any codes come up with your intake and exhaust without a tune?

[@leoluvsdodge]

Yea i did. Gotta have it tuned to turn all that off..