Pep Guardiola mentioned in his pre-match news conference how he "enjoys" playing FA Cup ties away from home against League One and League Two clubs.
"When you arrive at the stadium on the coach and all the fans sing 'Who are ya?! Who are ya?!" added Guardiola.
On Saturday, Salford's 3,900 fans inside Etihad Stadium made themselves heard as the visitors took the game to their Premier League opponents.
Afterwards, Guardiola labelled his side's 41st game of the season "boring".
"It has been tough but not just this two weeks, since November it's been every three days and that's a lot," he added.
"The good news is we go through.
"We have to move the ball quick to the opposite side and we didn't do it. That's why it was boring."
City might not have been at their best but it's now 17 FA Cup wins in a row at Etihad Stadium since a 2-0 defeat by Middlesbrough back in 2015.