Not to revive a dead thread but just saw this posted on ALBA's website...enough to make me question spendin the $$ for a full set-up.
Alba take:
The Can Am Maverick stock exhaust system works very well. We have tested many aftermarket exhaust systems and not one has gained even 1 horsepower. In fact most will actually lose power. Buyer beware just because it says it adds 7%-11% more horsepower doesn't mean it will (It most definitely will not). The only benefit for a aftermarket exhaust on a Maverick is looks, sound and weight loss. I wish I could tell you this kit built power but it does not. We really thought it would by the looks of the stock cat and resonator but Can-Am did a good job here.