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General thinking for a performance muffler is that bigger (more flow) is better. While this is true to a point on a 4 stroke engine, this is not the case on a 2 stroke. A 2 stroke muffler must be tuned to the expansion chamber to provide proper flow characteristics for optimum performance.
When it comes to tuning a two stroke, lets face it the OE’s know what they are doing. For an aftermarket company to truly make additional power by just adding a muffler, the engine has to be run slightly leaner. This is accomplished by designing a slightly more restrictive, that’s right, restrictive muffler that creates more heat. It’s a fine line and any gains are minimal at best, usually going unnoticed in the real world.
GGB mufflers are designed to be a direct replacement for the stock unit and come with a performance guarantee. What we ultimately provide you with is the chance to drop a lot of under hood weight and the choice of how you want your machine to sound. Because lets face it, the stock muffler leaves a lot to be desired.