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When making the PowerCore 4, all of the FMF crew looked over the top quality products to provide race-inspired overall performance from a economical cost. The outcome is really a high quality muffler along with enhanced torque, increased horsepower as well as tough sturdiness just about all in a cost which won’t break your budget. FMF PowerCore 4 are perfect for each specific FMF dirt bike for off-road, racing, or trial riding. Every FMF PowerCore 4 has the innovative quality for simple installation. FMF offer a wide selection of FMF PowerCore 4 at the Lowest Prices.