Power End Cap / Black for 2020 350 / 500 EXC-F / XCF-W / FE-S / FE


Just the End Cap changed on this muffler makes as much power as any slip on muffler. It's lighter than the stock Cap, has an approved spark arrestor and it's the only one that won't burn the stock blinkers. It changes in seconds. Just re-use the stock screws. No drilling holes. It has a 1.5" od outlet and makes 90.5 db at 4600 rpm. The stock one makes 85-86 db. The 1.2" quiet insert comes with it and the pass through piece if you don't want to run the spark arrestor

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Best Dual Sport Bikes designs performance aftermarket parts for KTM and Husqvarna brand bikes. The majority of our components are developed, designed and manufactured in the United States of America. Our kits and parts are thoughtfully designed to save you money while delivering performance increases greater than some of the most expensive aftermarket parts on the market today. 

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