New disclosures of a foul-mouthed tirade by Rep. Nancy Mace in the Charleston airport have roiled the South Carolina governor’s race and ignited angry accusations between the lawmaker and one of her competitors in the Republican primary.

Her rival, state AG Alan Wilson, called Mace a “spoiled brat” who treats cops like “servants,” at a time when the two of them are furiously competing for support from voters – and President Trump.

Mace back in August called herself “Trump in high heels” and acknowledged “I would really like his support for governor.” So far, Trump hasn’t given it – to anybody.

Mace this week slammed an internal Charleston Airport Authority investigation that probed her profanity-laced “spectacle” Oct. 30, when Mace chewed out police officers and TSA agents over expedited security for her outbound flight, after a planned VIP escort fell through.

New details are still coming to light – including an earlier incident in April where Mace allegedly blew up at agents who wouldn’t let her bring a family member through expedited security, according to the investigation report. 

“This is the only airport that gives me s–t,” she complained, according to one of the numerous law enforcement officers interviewed as part of the probe.

The investigative report was obtained by The Post through a public documents request.

One interviewed TSA agent quotes Mace as telling a cop following the botched Oct. 30 escort for her arrival at an airport gate, “I’m sick of your s–t, I’m tired of having to wait.”

Another officer, an explosives tech, described Mace as being “very nasty, very rude.” She said she could hear Mace calling police officers “f–king idiots” and “f–king incompetent” and stating that she was a “f–king representative.”

Yet the airport was “not busy at all” at the time of the incident, the officer said.

A TSA agent said during the interaction Mace “literally was on that phone talking and texting her life away” as well as “saying rude things,” according to the investigative report.

One TSA officer who had been at the airport 23 years told investigators “every VIP or whomever, dignitary, that we’ve been across and had to deal with, we never, never had this problem.”

Mace hired an attorney and threatened weeks ago to sue the airport over the October incident, but has yet to do so.

The report revealed the April confrontation when agents wouldn’t let Mace bring a family member through expedited security. TSA later let her take family members with her when she got screened.

“I thought that the way she acted showed a sense of entitlement – [that] she is entitled to special protection, she is entitled to special treatment. When she doesn’t get special treatment, she throws a tantrum. To me that harkens back to a child not getting their way,” Wilson told The Post in an interview.

“These are public servants, not personal servants,” he said of law enforcement at the airport.

Mace told CNN in an interview this week the report had been “falsified,” without providing evidence. In response to Wilson’s “brat” comment, she wrote: “Imagine being ‘Attorney General’ and flying 500 miles for the sole purpose of dismissing death threats against a single mom.”

She told The Post she has received numerous credible death threats, and said on Friday a judge denied bond to a man accused of making online threats against her. She said during the April incident TSA had violated its own policy allowing federal officials to bring a guest and separated her from her child.

Mace has been taking her case to the airwaves in a week where she trashed the House Republican leadership in a Washington Post op-ed.

A consultant to Mace’s campaign, Austin McCubbin, resigned Dec. 1, accusing her of turning her back on MAGA and trying to “hug the political cactus that is the [Sen.] Rand Paul [and Rep.] Thomas Massie wing of the Party.”