Brisbane are acutely aware of the effect Phil Gould will have on Penrith for the rest of the NRL season - and they expect it to snap the Panthers out of their form slump.

Gould signed on this week as the Panthers' director of coaching and quickly stamped his authority at the club by saying he would put players on notice from the moment he stepped in the door on Monday morning.

And with Penrith languishing in 15th spot, with just two victories ahead of Friday night's showdown with Brisbane at Centrebet Stadium, Broncos coach Anthony Griffin admitted "the Gus effect" could shake up their underperforming roster.

"I'd imagine (the players will) respond to all that's happening," Griffin said.

"We understand that but we can't control what they do.

"If we go down there with the right attitude and are prepared to get down and dirty with them, that's what we have to do because they'll have a spring in their step coming off a bye.

"They're a great side."

Griffin believed the addition of lock Luke Lewis, who had not played a NRL game since breaking his hand against the Broncos in round four, gave the Panthers' forward pack a dynamic new look.

"He's got some speed and footwork and he's a really strong runner," he added.

"(Lewis and Trent Waterhouse are) big units who can offload the ball or come through the line.

"(Lewis) is a leader and his presence will make them just a little bit harder to get over the top of."

But Panthers great Scott Sattler said he hoped the struggling outfit would be able to find motivation for reasons other than Gould's dramatic entrance this week.

"It's unfortunate if players feel as though they have to try harder to impress when all of a sudden there's a change in the ranks," he said.

"You shouldn't need the motivation of someone like Gus coming in to play better. It should be something that's expected, to be quite honest."

Sattler believed Gould's impact on Penrith would be felt for generations to come - rather than a quick fix to save the 2011 season.

"I think Gus has proven over the years that not only from a coaching perspective, but a complete operational perspective, he's pretty dynamic at what he does," Sattler explained.

"It's no secret when you say that Penrith are in a position where dynamic changes need to be made.

"I take my hat off to the Penrith management for having the courage to do it. It takes a lot of courage to go on the outside and say 'look, we need help'.

"I think coaching the coaches is the most important part (of Gus's role) and his role in junior development.

"Making sure the people who are controlling the destiny of these kids who are coming through Penrith's massive nursery is going to be the most important aspect of having someone like Gus involved in that structure."

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