Well I been doing ls swaps for friends and doing basic vats and dtc disable. Well one friend bought "cold air intake" and headers. What would I need to do to get it to perform the correctly. He said there's a slight delay from idle. This is a 5.3 4l60e with Dbc.
Only mods again are vats and dtc's disable. I also put afr to 1.10 on upper rpm range