After holding a 1-0 lead after the first period, the Sagueneens scored five times in the second and added three more in the third period.
Jean-Gabriel Pageau (2-3) led the way for Chicoutimi with five points.
Ben Duffy had the lone goal for the Rocket.
The loss for the Rocket drops them to a season record of 13-29-2-2.
Pageau opened the scoring in the first period at 14:58 to give Chicoutimi the 1-0 lead.
In the second period, Chicoutimi struck 20 seconds in with a goal from Steve Lebel to give the Sagueneens a 2-0 lead. Charles Hudon scored on the powerplay at 7:18 to make it a 3-0 game. Jeremy Gregoire, Charles Hudon and Guillaume Asselin, powerplay, added goals for Chicoutimi to increase the lead to 6-0.
Duffy's 26th of the year put the Rocket on the board at 18:58.
The scoring continued in the third period. Etienne Brodeur gave Chicoutimi a 7-1 lead before Lebel scored shorthanded at 12:26 to make it 8-1. Pageau capped off the scoring with a powerplay goal at 15:13.
Chicoutimi used the powerplay to their advantage, going 3-for-6 on the night, The Rocket on the other hand were 0-for-3 on the powerplay.
Maxime Lagace made 38 saves in goal for the Rocket. Christopher Gibson picked up the win for the Sagueneens making 21 saves.
The Rocket travel to Victoriaville Sunday afternoon to battle the former captain, Matt Hobbs and the Tigres. Gametime 5 p.m. EST.
