The baffles are not removable. They are tack welded in place. They are quite loud with the baffles in place, removal should not be necessary.

Generally speaking, while you can probably get away with installing this muffler by itself, to get the best possible throttle response and engine performance, it's always best to adjust fuel delivery to suit. Basically, any time you change the way air gets into or out of, the motor, you'll want to adjust fueling appropriately to maximize any performance gains available from the new setup.

If your bike is carbureted, we have a wide range of Dynojet carburetor jet kits that come with all the requisite components to get the most of our your new exhaust components.