You could just add it and hope for the best but i wont recommend it, you should get a tuner or optimizer, sometimes you can get optimizers for that exhaust or a tuner like a power commander. If you buy the Power Commander from a reputable place they might even offer free tunes.
2016 Can Am 1000R XMR - Stock, with Ricochet skids, Heated Grips/Thumb, Rear Seat, and 32 gallon Trunk
2013 Polaris Sportsman 850XP HO Stealth Black LE - Stock Polaris 2500 Winch, Ricochet Ultimate Skids, UNI Air Filter, STI HD2 6+1 with 27" Black Diamonds XTRs
2013 King Quad 750 with EPS, UNI Filter, Viper Max 3500# winch, Ricochet skids, STI HD Beadlocks and 26" Black diamond XTRs - SOLD